diff --git a/app/src/main/java/com/topjohnwu/magisk/Config.java b/app/src/main/java/com/topjohnwu/magisk/Config.java
deleted file mode 100644
index 7a583c912..000000000
--- a/app/src/main/java/com/topjohnwu/magisk/Config.java
+++ /dev/null
@@ -1,399 +0,0 @@
-package com.topjohnwu.magisk;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.util.Xml;
-
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.superuser.Shell;
-import com.topjohnwu.superuser.ShellUtils;
-import com.topjohnwu.superuser.io.SuFile;
-import com.topjohnwu.superuser.io.SuFileInputStream;
-
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-
-import java.io.File;
-import java.io.IOException;
-
-import androidx.annotation.Nullable;
-import androidx.collection.ArrayMap;
-
-import static com.topjohnwu.magisk.ConfigLeanback.getPrefs;
-import static com.topjohnwu.magisk.utils.XAndroidKt.getPackageName;
-
-public final class Config {
-
-    private static final ArrayMap<String, Object> defs = new ArrayMap<>();
-    public static int magiskVersionCode = -1;
-    // Current status
-    public static String magiskVersionString = "";
-    // Update Info
-    public static String remoteMagiskVersionString = "";
-    public static int remoteMagiskVersionCode = -1;
-    public static String magiskLink = "";
-    public static String magiskNoteLink = "";
-    public static String magiskMD5 = "";
-    public static String remoteManagerVersionString = "";
-    public static int remoteManagerVersionCode = -1;
-    public static String managerLink = "";
-    public static String managerNoteLink = "";
-    public static String uninstallerLink = "";
-
-    // Install flags
-    public static boolean keepVerity = false;
-    public static boolean keepEnc = false;
-    public static boolean recovery = false;
-
-    public static int suLogTimeout = 14;
-
-    public static class Key {
-        // su configs
-        public static final String ROOT_ACCESS = "root_access";
-        public static final String SU_MULTIUSER_MODE = "multiuser_mode";
-        public static final String SU_MNT_NS = "mnt_ns";
-        public static final String SU_MANAGER = "requester";
-        public static final String SU_REQUEST_TIMEOUT = "su_request_timeout";
-        public static final String SU_AUTO_RESPONSE = "su_auto_response";
-        public static final String SU_NOTIFICATION = "su_notification";
-        public static final String SU_REAUTH = "su_reauth";
-        public static final String SU_FINGERPRINT = "su_fingerprint";
-
-        // prefs
-        public static final String CHECK_UPDATES = "check_update";
-        public static final String UPDATE_CHANNEL = "update_channel";
-        public static final String CUSTOM_CHANNEL = "custom_channel";
-        public static final String LOCALE = "locale";
-        public static final String DARK_THEME = "dark_theme";
-        public static final String ETAG_KEY = "ETag";
-        public static final String REPO_ORDER = "repo_order";
-        public static final String SHOW_SYSTEM_APP = "show_system";
-
-        // system state
-        public static final String UPDATE_SERVICE_VER = "update_service_version";
-        public static final String MAGISKHIDE = "magiskhide";
-        public static final String COREONLY = "disable";
-    }
-
-    public static class Value {
-        public static final int DEFAULT_CHANNEL = -1;
-        public static final int STABLE_CHANNEL = 0;
-        public static final int BETA_CHANNEL = 1;
-        public static final int CUSTOM_CHANNEL = 2;
-        public static final int CANARY_CHANNEL = 3;
-        public static final int CANARY_DEBUG_CHANNEL = 4;
-        public static final int ROOT_ACCESS_DISABLED = 0;
-        public static final int ROOT_ACCESS_APPS_ONLY = 1;
-        public static final int ROOT_ACCESS_ADB_ONLY = 2;
-        public static final int ROOT_ACCESS_APPS_AND_ADB = 3;
-        public static final int MULTIUSER_MODE_OWNER_ONLY = 0;
-        public static final int MULTIUSER_MODE_OWNER_MANAGED = 1;
-        public static final int MULTIUSER_MODE_USER = 2;
-        public static final int NAMESPACE_MODE_GLOBAL = 0;
-        public static final int NAMESPACE_MODE_REQUESTER = 1;
-        public static final int NAMESPACE_MODE_ISOLATE = 2;
-        public static final int NO_NOTIFICATION = 0;
-        public static final int NOTIFICATION_TOAST = 1;
-        public static final int SU_PROMPT = 0;
-        public static final int SU_AUTO_DENY = 1;
-        public static final int SU_AUTO_ALLOW = 2;
-        public static final int[] TIMEOUT_LIST = {0, -1, 10, 20, 30, 60};
-        public static final int ORDER_NAME = 0;
-        public static final int ORDER_DATE = 1;
-    }
-
-    private static boolean magiskHide = false;
-
-    public static void loadMagiskInfo() {
-        try {
-            magiskVersionString = ShellUtils.fastCmd("magisk -v").split(":")[0];
-            magiskVersionCode = Integer.parseInt(ShellUtils.fastCmd("magisk -V"));
-            magiskHide = Shell.su("magiskhide --status").exec().isSuccess();
-        } catch (NumberFormatException ignored) {
-        }
-    }
-
-    public static void export() {
-        // Flush prefs to disk
-        getPrefs().edit().apply();
-        Context context = ConfigLeanback.getProtectedContext();
-        File xml = new File(context.getFilesDir().getParent() + "/shared_prefs",
-                getPackageName() + "_preferences.xml");
-        Shell.su(Utils.fmt("cat %s > /data/adb/%s", xml, Const.MANAGER_CONFIGS)).exec();
-    }
-
-    private static final int PREF_INT = 0;
-    private static final int PREF_STR_INT = 1;
-    private static final int PREF_BOOL = 2;
-    private static final int PREF_STR = 3;
-    private static final int DB_INT = 4;
-    private static final int DB_BOOL = 5;
-    private static final int DB_STR = 6;
-
-    private static int getConfigType(String key) {
-        switch (key) {
-            case Key.REPO_ORDER:
-                return PREF_INT;
-
-            case Key.SU_REQUEST_TIMEOUT:
-            case Key.SU_AUTO_RESPONSE:
-            case Key.SU_NOTIFICATION:
-            case Key.UPDATE_CHANNEL:
-                return PREF_STR_INT;
-
-            case Key.DARK_THEME:
-            case Key.SU_REAUTH:
-            case Key.CHECK_UPDATES:
-            case Key.MAGISKHIDE:
-            case Key.COREONLY:
-            case Key.SHOW_SYSTEM_APP:
-                return PREF_BOOL;
-
-            case Key.CUSTOM_CHANNEL:
-            case Key.LOCALE:
-            case Key.ETAG_KEY:
-                return PREF_STR;
-
-            case Key.ROOT_ACCESS:
-            case Key.SU_MNT_NS:
-            case Key.SU_MULTIUSER_MODE:
-                return DB_INT;
-
-            case Key.SU_FINGERPRINT:
-                return DB_BOOL;
-
-            case Key.SU_MANAGER:
-                return DB_STR;
-
-            default:
-                throw new IllegalArgumentException();
-        }
-    }
-
-    public static void initialize() {
-        SharedPreferences pref = getPrefs();
-        SharedPreferences.Editor editor = pref.edit();
-        File config = SuFile.open("/data/adb", Const.MANAGER_CONFIGS);
-        if (config.exists()) {
-            try {
-                SuFileInputStream is = new SuFileInputStream(config);
-                XmlPullParser parser = Xml.newPullParser();
-                parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, false);
-                parser.setInput(is, "UTF-8");
-                parser.nextTag();
-                parser.require(XmlPullParser.START_TAG, null, "map");
-                while (parser.next() != XmlPullParser.END_TAG) {
-                    if (parser.getEventType() != XmlPullParser.START_TAG)
-                        continue;
-                    String key = parser.getAttributeValue(null, "name");
-                    String value = parser.getAttributeValue(null, "value");
-                    switch (parser.getName()) {
-                        case "string":
-                            parser.require(XmlPullParser.START_TAG, null, "string");
-                            editor.putString(key, parser.nextText());
-                            parser.require(XmlPullParser.END_TAG, null, "string");
-                            break;
-                        case "boolean":
-                            parser.require(XmlPullParser.START_TAG, null, "boolean");
-                            editor.putBoolean(key, Boolean.parseBoolean(value));
-                            parser.nextTag();
-                            parser.require(XmlPullParser.END_TAG, null, "boolean");
-                            break;
-                        case "int":
-                            parser.require(XmlPullParser.START_TAG, null, "int");
-                            editor.putInt(key, Integer.parseInt(value));
-                            parser.nextTag();
-                            parser.require(XmlPullParser.END_TAG, null, "int");
-                            break;
-                        case "long":
-                            parser.require(XmlPullParser.START_TAG, null, "long");
-                            editor.putLong(key, Long.parseLong(value));
-                            parser.nextTag();
-                            parser.require(XmlPullParser.END_TAG, null, "long");
-                            break;
-                        case "float":
-                            parser.require(XmlPullParser.START_TAG, null, "int");
-                            editor.putFloat(key, Float.parseFloat(value));
-                            parser.nextTag();
-                            parser.require(XmlPullParser.END_TAG, null, "int");
-                            break;
-                        default:
-                            parser.next();
-                    }
-                }
-            } catch (IOException | XmlPullParserException e) {
-                e.printStackTrace();
-            }
-            editor.remove(Key.ETAG_KEY);
-            editor.apply();
-            editor = pref.edit();
-            config.delete();
-        }
-
-        // Set defaults if not set
-        setDefs(pref, editor);
-
-        // These settings are from actual device state
-        editor.putBoolean(Key.MAGISKHIDE, magiskHide)
-                .putBoolean(Key.COREONLY, Const.MAGISK_DISABLE_FILE.exists())
-                .putInt(Key.UPDATE_SERVICE_VER, Const.UPDATE_SERVICE_VER)
-                .apply();
-    }
-
-    @SuppressWarnings("unchecked")
-    public static <T> T get(String key) {
-        switch (getConfigType(key)) {
-            case PREF_INT:
-                return (T) (Integer) getPrefs().getInt(key, getDef(key));
-            case PREF_STR_INT:
-                return (T) (Integer) Utils.getPrefsInt(getPrefs(), key, getDef(key));
-            case PREF_BOOL:
-                return (T) (Boolean) getPrefs().getBoolean(key, getDef(key));
-            case PREF_STR:
-                return (T) getPrefs().getString(key, getDef(key));
-            case DB_INT:
-                return (T) (Integer) ConfigLeanback.get(key, (Integer) getDef(key));
-            case DB_BOOL:
-                return (T) (Boolean) (ConfigLeanback.get(key, getDef(key) ? 1 : 0) != 0);
-            case DB_STR:
-                return (T) ConfigLeanback.get(key, getDef(key));
-        }
-        /* Will never get here (IllegalArgumentException in getConfigType) */
-        return null;
-    }
-
-    public static void set(String key, Object val) {
-        switch (getConfigType(key)) {
-            case PREF_INT:
-                getPrefs().edit().putInt(key, (int) val).apply();
-                break;
-            case PREF_STR_INT:
-                getPrefs().edit().putString(key, String.valueOf(val)).apply();
-                break;
-            case PREF_BOOL:
-                getPrefs().edit().putBoolean(key, (boolean) val).apply();
-                break;
-            case PREF_STR:
-                getPrefs().edit().putString(key, (String) val).apply();
-                break;
-            case DB_INT:
-                ConfigLeanback.put(key, (int) val);
-                break;
-            case DB_BOOL:
-                ConfigLeanback.put(key, (boolean) val ? 1 : 0);
-                break;
-            case DB_STR:
-                ConfigLeanback.put(key, (String) val);
-                break;
-        }
-    }
-
-    public static void remove(String key) {
-        switch (getConfigType(key)) {
-            case PREF_INT:
-            case PREF_STR_INT:
-            case PREF_BOOL:
-            case PREF_STR:
-                getPrefs().edit().remove(key).apply();
-                break;
-            case DB_BOOL:
-            case DB_INT:
-                ConfigLeanback.delete(key);
-                break;
-            case DB_STR:
-                ConfigLeanback.put(key, null);
-                break;
-        }
-    }
-
-    static {
-        /* Set default configurations */
-
-        // prefs int
-        defs.put(Key.REPO_ORDER, Value.ORDER_DATE);
-
-        // prefs string int
-        defs.put(Key.SU_REQUEST_TIMEOUT, 10);
-        defs.put(Key.SU_AUTO_RESPONSE, Value.SU_PROMPT);
-        defs.put(Key.SU_NOTIFICATION, Value.NOTIFICATION_TOAST);
-        defs.put(Key.UPDATE_CHANNEL, Utils.isCanary() ?
-                Value.CANARY_DEBUG_CHANNEL : Value.DEFAULT_CHANNEL);
-
-        // prefs bool
-        defs.put(Key.CHECK_UPDATES, true);
-        defs.put(Key.DARK_THEME, true);
-        //defs.put(Key.SU_REAUTH, false);
-        //defs.put(Key.SHOW_SYSTEM_APP, false);
-
-        // prefs string
-        defs.put(Key.CUSTOM_CHANNEL, "");
-        defs.put(Key.LOCALE, "");
-        //defs.put(Key.ETAG_KEY, null);
-
-        // db int
-        defs.put(Key.ROOT_ACCESS, Value.ROOT_ACCESS_APPS_AND_ADB);
-        defs.put(Key.SU_MNT_NS, Value.NAMESPACE_MODE_REQUESTER);
-        defs.put(Key.SU_MULTIUSER_MODE, Value.MULTIUSER_MODE_OWNER_ONLY);
-
-        // db bool
-        //defs.put(Key.SU_FINGERPRINT, false);
-
-        // db strings
-        //defs.put(Key.SU_MANAGER, null);
-    }
-
-    @SuppressWarnings("unchecked")
-    @Nullable
-    private static <T> T getDef(String key) throws IllegalArgumentException {
-        Object val = defs.get(key);
-        switch (getConfigType(key)) {
-            case PREF_INT:
-            case DB_INT:
-            case PREF_STR_INT:
-                return val != null ? (T) val : (T) (Integer) 0;
-            case DB_BOOL:
-            case PREF_BOOL:
-                return val != null ? (T) val : (T) (Boolean) false;
-            case DB_STR:
-            case PREF_STR:
-                return (T) val;
-        }
-        /* Will never get here (IllegalArgumentException in getConfigType) */
-        return null;
-    }
-
-    private static void setDefs(SharedPreferences pref, SharedPreferences.Editor editor) {
-        for (String key : defs.keySet()) {
-            Object value = defs.get(key);
-            int type = getConfigType(key);
-            switch (type) {
-                case DB_INT:
-                    editor.putString(key, String.valueOf(ConfigLeanback.get(key, (Integer) value)));
-                    continue;
-                case DB_STR:
-                    editor.putString(key, ConfigLeanback.get(key, String.valueOf(value)));
-                    continue;
-                case DB_BOOL:
-                    int bs = ConfigLeanback.get(key, -1);
-                    editor.putBoolean(key, bs < 0 ? (Boolean) value : bs != 0);
-                    continue;
-            }
-            if (pref.contains(key))
-                continue;
-            switch (type) {
-                case PREF_INT:
-                    editor.putInt(key, (Integer) value);
-                    break;
-                case PREF_STR_INT:
-                    editor.putString(key, String.valueOf(value));
-                    break;
-                case PREF_STR:
-                    editor.putString(key, (String) value);
-                    break;
-                case PREF_BOOL:
-                    editor.putBoolean(key, (Boolean) value);
-                    break;
-            }
-        }
-    }
-}
diff --git a/app/src/main/java/com/topjohnwu/magisk/Config.kt b/app/src/main/java/com/topjohnwu/magisk/Config.kt
new file mode 100644
index 000000000..8502a5f99
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/Config.kt
@@ -0,0 +1,196 @@
+package com.topjohnwu.magisk
+
+import android.content.Context
+import android.util.Xml
+import androidx.core.content.edit
+import com.topjohnwu.magisk.data.repository.DBConfig
+import com.topjohnwu.magisk.data.database.SettingsDao
+import com.topjohnwu.magisk.data.database.StringDao
+import com.topjohnwu.magisk.di.Protected
+import com.topjohnwu.magisk.model.preference.PreferenceModel
+import com.topjohnwu.magisk.utils.*
+import com.topjohnwu.superuser.Shell
+import com.topjohnwu.superuser.io.SuFile
+import com.topjohnwu.superuser.io.SuFileInputStream
+import org.xmlpull.v1.XmlPullParser
+import java.io.File
+
+object Config : PreferenceModel, DBConfig {
+
+    override val stringDao: StringDao by inject()
+    override val settingsDao: SettingsDao by inject()
+    override val context: Context by inject(Protected)
+
+    object Key {
+        // db configs
+        const val ROOT_ACCESS = "root_access"
+        const val SU_MULTIUSER_MODE = "multiuser_mode"
+        const val SU_MNT_NS = "mnt_ns"
+        const val SU_MANAGER = "requester"
+        const val SU_FINGERPRINT = "su_fingerprint"
+
+        // prefs
+        const val SU_REQUEST_TIMEOUT = "su_request_timeout"
+        const val SU_AUTO_RESPONSE = "su_auto_response"
+        const val SU_NOTIFICATION = "su_notification"
+        const val SU_REAUTH = "su_reauth"
+        const val CHECK_UPDATES = "check_update"
+        const val UPDATE_CHANNEL = "update_channel"
+        const val CUSTOM_CHANNEL = "custom_channel"
+        const val LOCALE = "locale"
+        const val DARK_THEME = "dark_theme"
+        const val ETAG_KEY = "ETag"
+        const val REPO_ORDER = "repo_order"
+        const val SHOW_SYSTEM_APP = "show_system"
+
+        // system state
+        const val MAGISKHIDE = "magiskhide"
+        const val COREONLY = "disable"
+    }
+
+    object Value {
+        // Update channels
+        const val DEFAULT_CHANNEL = -1
+        const val STABLE_CHANNEL = 0
+        const val BETA_CHANNEL = 1
+        const val CUSTOM_CHANNEL = 2
+        const val CANARY_CHANNEL = 3
+        const val CANARY_DEBUG_CHANNEL = 4
+
+        // root access mode
+        const val ROOT_ACCESS_DISABLED = 0
+        const val ROOT_ACCESS_APPS_ONLY = 1
+        const val ROOT_ACCESS_ADB_ONLY = 2
+        const val ROOT_ACCESS_APPS_AND_ADB = 3
+
+        // su multiuser
+        const val MULTIUSER_MODE_OWNER_ONLY = 0
+        const val MULTIUSER_MODE_OWNER_MANAGED = 1
+        const val MULTIUSER_MODE_USER = 2
+
+        // su mnt ns
+        const val NAMESPACE_MODE_GLOBAL = 0
+        const val NAMESPACE_MODE_REQUESTER = 1
+        const val NAMESPACE_MODE_ISOLATE = 2
+
+        // su notification
+        const val NO_NOTIFICATION = 0
+        const val NOTIFICATION_TOAST = 1
+
+        // su auto response
+        const val SU_PROMPT = 0
+        const val SU_AUTO_DENY = 1
+        const val SU_AUTO_ALLOW = 2
+
+        // su timeout
+        val TIMEOUT_LIST = intArrayOf(0, -1, 10, 20, 30, 60)
+
+        // repo order
+        const val ORDER_NAME = 0
+        const val ORDER_DATE = 1
+    }
+
+    private val defaultChannel =
+            if (Utils.isCanary) Value.CANARY_DEBUG_CHANNEL
+            else Value.DEFAULT_CHANNEL
+
+    var repoOrder by preference(Key.REPO_ORDER, Value.ORDER_DATE)
+
+    var suDefaultTimeout by preferenceStrInt(Key.SU_REQUEST_TIMEOUT, 10)
+    var suAutoReponse by preferenceStrInt(Key.SU_AUTO_RESPONSE, Value.SU_PROMPT)
+    var suNotification by preferenceStrInt(Key.SU_NOTIFICATION, Value.NOTIFICATION_TOAST)
+    var updateChannel by preferenceStrInt(Key.UPDATE_CHANNEL, defaultChannel)
+
+    var darkTheme by preference(Key.DARK_THEME, true)
+    var suReAuth by preference(Key.SU_REAUTH, false)
+    var checkUpdate by preference(Key.CHECK_UPDATES, true)
+    @JvmStatic
+    var magiskHide by preference(Key.MAGISKHIDE, true)
+    var coreOnly by preference(Key.COREONLY, false)
+    var showSystemApp by preference(Key.SHOW_SYSTEM_APP, false)
+
+    var customChannelUrl by preference(Key.CUSTOM_CHANNEL, "")
+    var locale by preference(Key.LOCALE, "")
+    @JvmStatic
+    var etagKey by preference(Key.ETAG_KEY, "")
+
+    var rootMode by dbSettings(Key.ROOT_ACCESS, Value.ROOT_ACCESS_APPS_AND_ADB)
+    var suMntNamespaceMode by dbSettings(Key.SU_MNT_NS, Value.NAMESPACE_MODE_REQUESTER)
+    var suMultiuserMode by dbSettings(Key.SU_MULTIUSER_MODE, Value.MULTIUSER_MODE_OWNER_ONLY)
+    var suFingerprint by dbSettings(Key.SU_FINGERPRINT, false)
+    @JvmStatic
+    var suManager by dbStrings(Key.SU_MANAGER, "")
+
+    fun initialize() = prefs.edit {
+        val config = SuFile.open("/data/adb", Const.MANAGER_CONFIGS)
+        if (config.exists()) runCatching {
+            val input = SuFileInputStream(config).buffered()
+            val parser = Xml.newPullParser()
+            parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, false)
+            parser.setInput(input, "UTF-8")
+            parser.nextTag()
+            parser.require(XmlPullParser.START_TAG, null, "map")
+            while (parser.next() != XmlPullParser.END_TAG) {
+                if (parser.eventType != XmlPullParser.START_TAG)
+                    continue
+                val key: String = parser.getAttributeValue(null, "name")
+                val value: String = parser.getAttributeValue(null, "value")
+                when (parser.name) {
+                    "string" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "string")
+                        putString(key, parser.nextText())
+                        parser.require(XmlPullParser.END_TAG, null, "string")
+                    }
+                    "boolean" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "boolean")
+                        putBoolean(key, value.toBoolean())
+                        parser.nextTag()
+                        parser.require(XmlPullParser.END_TAG, null, "boolean")
+                    }
+                    "int" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "int")
+                        putInt(key, value.toInt())
+                        parser.nextTag()
+                        parser.require(XmlPullParser.END_TAG, null, "int")
+                    }
+                    "long" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "long")
+                        putLong(key, value.toLong())
+                        parser.nextTag()
+                        parser.require(XmlPullParser.END_TAG, null, "long")
+                    }
+                    "float" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "int")
+                        putFloat(key, value.toFloat())
+                        parser.nextTag()
+                        parser.require(XmlPullParser.END_TAG, null, "int")
+                    }
+                    else -> parser.next()
+                }
+            }
+            config.delete()
+        }
+        remove(Key.ETAG_KEY)
+        if (!prefs.contains(Key.UPDATE_CHANNEL))
+            putString(Key.UPDATE_CHANNEL, defaultChannel.toString())
+
+        // Get actual state
+        putBoolean(Key.COREONLY, Const.MAGISK_DISABLE_FILE.exists())
+
+        // Write database configs
+        putString(Key.ROOT_ACCESS, rootMode.toString())
+        putString(Key.SU_MNT_NS, suMntNamespaceMode.toString())
+        putString(Key.SU_MULTIUSER_MODE, suMultiuserMode.toString())
+        putBoolean(Key.SU_FINGERPRINT, FingerprintHelper.useFingerprint())
+    }
+
+    @JvmStatic
+    fun export() {
+        // Flush prefs to disk
+        prefs.edit().apply()
+        val xml = File("${get<Context>(Protected).filesDir.parent}/shared_prefs",
+                "${packageName}_preferences.xml")
+        Shell.su("cat $xml > /data/adb/${Const.MANAGER_CONFIGS}").exec()
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/ConfigLeanback.kt b/app/src/main/java/com/topjohnwu/magisk/ConfigLeanback.kt
deleted file mode 100644
index 6fbf6a069..000000000
--- a/app/src/main/java/com/topjohnwu/magisk/ConfigLeanback.kt
+++ /dev/null
@@ -1,52 +0,0 @@
-package com.topjohnwu.magisk
-
-import android.content.Context
-import android.content.SharedPreferences
-import androidx.annotation.AnyThread
-import androidx.annotation.WorkerThread
-import com.skoumal.teanity.extensions.subscribeK
-import com.topjohnwu.magisk.data.repository.SettingRepository
-import com.topjohnwu.magisk.data.repository.StringRepository
-import com.topjohnwu.magisk.di.Protected
-import com.topjohnwu.magisk.utils.inject
-
-object ConfigLeanback {
-
-    @JvmStatic
-    val protectedContext: Context by inject(Protected)
-    @JvmStatic
-    val prefs: SharedPreferences by inject()
-
-    private val settingRepo: SettingRepository by inject()
-    private val stringRepo: StringRepository by inject()
-
-    @JvmStatic
-    @AnyThread
-    fun put(key: String, value: Int) {
-        settingRepo.put(key, value).subscribeK()
-    }
-
-    @JvmStatic
-    @WorkerThread
-    fun get(key: String, defaultValue: Int): Int =
-        settingRepo.fetch(key, defaultValue).blockingGet()
-
-    @JvmStatic
-    @AnyThread
-    fun put(key: String, value: String?) {
-        val task = value?.let { stringRepo.put(key, it) } ?: stringRepo.delete(key)
-        task.subscribeK()
-    }
-
-    @JvmStatic
-    @WorkerThread
-    fun get(key: String, defaultValue: String?): String =
-        stringRepo.fetch(key, defaultValue.orEmpty()).blockingGet()
-
-    @JvmStatic
-    @AnyThread
-    fun delete(key: String) {
-        settingRepo.delete(key).subscribeK()
-    }
-
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/Const.kt b/app/src/main/java/com/topjohnwu/magisk/Const.kt
index 96cc094fa..826a4fa26 100644
--- a/app/src/main/java/com/topjohnwu/magisk/Const.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/Const.kt
@@ -19,7 +19,6 @@ object Const {
     const val MAGISK_LOG = "/cache/magisk.log"
 
     // Versions
-    const val UPDATE_SERVICE_VER = 1
     const val SNET_EXT_VER = 12
     const val SNET_REVISION = "b66b1a914978e5f4c4bbfd74a59f4ad371bac107"
     const val BOOTCTL_REVISION = "9c5dfc1b8245c0b5b524901ef0ff0f8335757b77"
diff --git a/app/src/main/java/com/topjohnwu/magisk/Info.java b/app/src/main/java/com/topjohnwu/magisk/Info.java
new file mode 100644
index 000000000..338a10d85
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/Info.java
@@ -0,0 +1,36 @@
+package com.topjohnwu.magisk;
+
+import com.topjohnwu.superuser.Shell;
+import com.topjohnwu.superuser.ShellUtils;
+
+public final class Info {
+
+    public static int magiskVersionCode = -1;
+    // Current status
+    public static String magiskVersionString = "";
+    // Update Info
+    public static String remoteMagiskVersionString = "";
+    public static int remoteMagiskVersionCode = -1;
+    public static String magiskLink = "";
+    public static String magiskNoteLink = "";
+    public static String magiskMD5 = "";
+    public static String remoteManagerVersionString = "";
+    public static int remoteManagerVersionCode = -1;
+    public static String managerLink = "";
+    public static String managerNoteLink = "";
+    public static String uninstallerLink = "";
+
+    // Install flags
+    public static boolean keepVerity = false;
+    public static boolean keepEnc = false;
+    public static boolean recovery = false;
+
+    public static void loadMagiskInfo() {
+        try {
+            magiskVersionString = ShellUtils.fastCmd("magisk -v").split(":")[0];
+            magiskVersionCode = Integer.parseInt(ShellUtils.fastCmd("magisk -V"));
+            Config.setMagiskHide(Shell.su("magiskhide --status").exec().isSuccess());
+        } catch (NumberFormatException ignored) {
+        }
+    }
+}
diff --git a/app/src/main/java/com/topjohnwu/magisk/KConfig.kt b/app/src/main/java/com/topjohnwu/magisk/KConfig.kt
deleted file mode 100644
index a481a935e..000000000
--- a/app/src/main/java/com/topjohnwu/magisk/KConfig.kt
+++ /dev/null
@@ -1,46 +0,0 @@
-package com.topjohnwu.magisk
-
-import android.content.Context
-import com.topjohnwu.magisk.KConfig.UpdateChannel.STABLE
-import com.topjohnwu.magisk.di.Protected
-import com.topjohnwu.magisk.model.preference.PreferenceModel
-import com.topjohnwu.magisk.utils.inject
-
-object KConfig : PreferenceModel {
-
-    override val context: Context by inject(Protected)
-
-    private var internalUpdateChannel by preference(Config.Key.UPDATE_CHANNEL, STABLE.id.toString())
-    var useCustomTabs by preference("useCustomTabs", true)
-    @JvmStatic
-    var customUpdateChannel by preference(Config.Key.CUSTOM_CHANNEL, "")
-
-    @JvmStatic
-    var updateChannel: UpdateChannel
-        get() = UpdateChannel.byId(internalUpdateChannel.toIntOrNull() ?: STABLE.id)
-        set(value) {
-            internalUpdateChannel = value.id.toString()
-        }
-
-    internal const val DEFAULT_CHANNEL = "topjohnwu/magisk_files"
-
-    enum class UpdateChannel(val id: Int) {
-
-        STABLE(Config.Value.STABLE_CHANNEL),
-        BETA(Config.Value.BETA_CHANNEL),
-        CANARY(Config.Value.CANARY_CHANNEL),
-        CANARY_DEBUG(Config.Value.CANARY_DEBUG_CHANNEL),
-        CUSTOM(Config.Value.CUSTOM_CHANNEL);
-
-        companion object {
-            fun byId(id: Int) = when (id) {
-                Config.Value.STABLE_CHANNEL -> STABLE
-                Config.Value.BETA_CHANNEL -> BETA
-                Config.Value.CUSTOM_CHANNEL -> CUSTOM
-                Config.Value.CANARY_CHANNEL -> CANARY
-                Config.Value.CANARY_DEBUG_CHANNEL -> CANARY_DEBUG
-                else -> STABLE
-            }
-        }
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/LogDao.kt b/app/src/main/java/com/topjohnwu/magisk/data/database/LogDao.kt
index 1bb589d2a..5e6bfb782 100644
--- a/app/src/main/java/com/topjohnwu/magisk/data/database/LogDao.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/LogDao.kt
@@ -1,6 +1,5 @@
 package com.topjohnwu.magisk.data.database
 
-import com.topjohnwu.magisk.Config
 import com.topjohnwu.magisk.data.database.base.*
 import com.topjohnwu.magisk.model.entity.MagiskLog
 import com.topjohnwu.magisk.model.entity.toLog
@@ -12,7 +11,7 @@ class LogDao : BaseDao() {
     override val table = DatabaseDefinition.Table.LOG
 
     fun deleteOutdated(
-        suTimeout: Long = Config.suLogTimeout * TimeUnit.DAYS.toMillis(1)
+        suTimeout: Long = TimeUnit.DAYS.toMillis(14)
     ) = query<Delete> {
         condition {
             lessThan("time", suTimeout.toString())
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/RepoDatabaseHelper.java b/app/src/main/java/com/topjohnwu/magisk/data/database/RepoDatabaseHelper.java
deleted file mode 100644
index 6e4cb35d0..000000000
--- a/app/src/main/java/com/topjohnwu/magisk/data/database/RepoDatabaseHelper.java
+++ /dev/null
@@ -1,118 +0,0 @@
-package com.topjohnwu.magisk.data.database;
-
-import android.content.Context;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteOpenHelper;
-
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.model.entity.Repo;
-
-import java.util.HashSet;
-import java.util.Set;
-
-@Deprecated
-public class RepoDatabaseHelper extends SQLiteOpenHelper {
-
-    private static final int DATABASE_VER = 5;
-    private static final String TABLE_NAME = "repos";
-
-    private final SQLiteDatabase mDb;
-
-    @Deprecated
-    public RepoDatabaseHelper(Context context) {
-        super(context, "repo.db", null, DATABASE_VER);
-        mDb = getWritableDatabase();
-    }
-
-    @Override
-    public void onCreate(SQLiteDatabase db) {
-        onUpgrade(db, 0, DATABASE_VER);
-    }
-
-    @Override
-    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
-        if (oldVersion != newVersion) {
-            // Nuke old DB and create new table
-            db.execSQL("DROP TABLE IF EXISTS " + TABLE_NAME);
-            db.execSQL(
-                    "CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " " +
-                            "(id TEXT, name TEXT, version TEXT, versionCode INT, " +
-                            "author TEXT, description TEXT, last_update INT, PRIMARY KEY(id))");
-            Config.remove(Config.Key.ETAG_KEY);
-        }
-    }
-
-    @Override
-    public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
-        onUpgrade(db, 0, DATABASE_VER);
-    }
-
-    @Deprecated
-    public void clearRepo() {
-        mDb.delete(TABLE_NAME, null, null);
-    }
-
-
-    @Deprecated
-    public void removeRepo(String id) {
-        mDb.delete(TABLE_NAME, "id=?", new String[]{id});
-    }
-
-    @Deprecated
-    public void removeRepo(Repo repo) {
-        removeRepo(repo.getId());
-    }
-
-    @Deprecated
-    public void removeRepo(Iterable<String> list) {
-        for (String id : list) {
-            if (id == null) continue;
-            mDb.delete(TABLE_NAME, "id=?", new String[]{id});
-        }
-    }
-
-    @Deprecated
-    public void addRepo(Repo repo) {
-        mDb.replace(TABLE_NAME, null, repo.getContentValues());
-    }
-
-    @Deprecated
-    public Repo getRepo(String id) {
-        try (Cursor c = mDb.query(TABLE_NAME, null, "id=?", new String[]{id}, null, null, null)) {
-            if (c.moveToNext()) {
-                return new Repo(c);
-            }
-        }
-        return null;
-    }
-
-    @Deprecated
-    public Cursor getRawCursor() {
-        return mDb.query(TABLE_NAME, null, null, null, null, null, null);
-    }
-
-    @Deprecated
-    public Cursor getRepoCursor() {
-        String orderBy = null;
-        switch ((int) Config.get(Config.Key.REPO_ORDER)) {
-            case Config.Value.ORDER_NAME:
-                orderBy = "name COLLATE NOCASE";
-                break;
-            case Config.Value.ORDER_DATE:
-                orderBy = "last_update DESC";
-        }
-        return mDb.query(TABLE_NAME, null, null, null, null, null, orderBy);
-    }
-
-    @Deprecated
-    public Set<String> getRepoIDSet() {
-        HashSet<String> set = new HashSet<>(300);
-        try (Cursor c = mDb.query(TABLE_NAME, null, null, null, null, null, null)) {
-            while (c.moveToNext()) {
-                set.add(c.getString(c.getColumnIndex("id")));
-            }
-        }
-        return set;
-    }
-}
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/RepoDatabaseHelper.kt b/app/src/main/java/com/topjohnwu/magisk/data/database/RepoDatabaseHelper.kt
new file mode 100644
index 000000000..84fc236ad
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/RepoDatabaseHelper.kt
@@ -0,0 +1,109 @@
+package com.topjohnwu.magisk.data.database
+
+import android.content.Context
+import android.database.Cursor
+import android.database.sqlite.SQLiteDatabase
+import android.database.sqlite.SQLiteOpenHelper
+import androidx.core.content.edit
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.model.entity.Repo
+import java.util.*
+
+@Deprecated("")
+class RepoDatabaseHelper
+constructor(context: Context) : SQLiteOpenHelper(context, "repo.db", null, DATABASE_VER) {
+
+    private val mDb: SQLiteDatabase = writableDatabase
+
+    val rawCursor: Cursor
+        @Deprecated("")
+        get() = mDb.query(TABLE_NAME, null, null, null, null, null, null)
+
+    val repoCursor: Cursor
+        @Deprecated("")
+        get() {
+            var orderBy: String? = null
+            when (Config.repoOrder) {
+                Config.Value.ORDER_NAME -> orderBy = "name COLLATE NOCASE"
+                Config.Value.ORDER_DATE -> orderBy = "last_update DESC"
+            }
+            return mDb.query(TABLE_NAME, null, null, null, null, null, orderBy)
+        }
+
+    val repoIDSet: Set<String>
+        @Deprecated("")
+        get() {
+            val set = HashSet<String>(300)
+            mDb.query(TABLE_NAME, null, null, null, null, null, null).use { c ->
+                while (c.moveToNext()) {
+                    set.add(c.getString(c.getColumnIndex("id")))
+                }
+            }
+            return set
+        }
+
+    override fun onCreate(db: SQLiteDatabase) {
+        onUpgrade(db, 0, DATABASE_VER)
+    }
+
+    override fun onUpgrade(db: SQLiteDatabase, oldVersion: Int, newVersion: Int) {
+        if (oldVersion != newVersion) {
+            // Nuke old DB and create new table
+            db.execSQL("DROP TABLE IF EXISTS $TABLE_NAME")
+            db.execSQL(
+                    "CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " " +
+                            "(id TEXT, name TEXT, version TEXT, versionCode INT, " +
+                            "author TEXT, description TEXT, last_update INT, PRIMARY KEY(id))")
+            Config.prefs.edit {
+                remove(Config.Key.ETAG_KEY)
+            }
+        }
+    }
+
+    override fun onDowngrade(db: SQLiteDatabase, oldVersion: Int, newVersion: Int) {
+        onUpgrade(db, 0, DATABASE_VER)
+    }
+
+    @Deprecated("")
+    fun clearRepo() {
+        mDb.delete(TABLE_NAME, null, null)
+    }
+
+
+    @Deprecated("")
+    fun removeRepo(id: String) {
+        mDb.delete(TABLE_NAME, "id=?", arrayOf(id))
+    }
+
+    @Deprecated("")
+    fun removeRepo(repo: Repo) {
+        removeRepo(repo.id)
+    }
+
+    @Deprecated("")
+    fun removeRepo(list: Iterable<String>) {
+        list.forEach {
+            mDb.delete(TABLE_NAME, "id=?", arrayOf(it))
+        }
+    }
+
+    @Deprecated("")
+    fun addRepo(repo: Repo) {
+        mDb.replace(TABLE_NAME, null, repo.contentValues)
+    }
+
+    @Deprecated("")
+    fun getRepo(id: String): Repo? {
+        mDb.query(TABLE_NAME, null, "id=?", arrayOf(id), null, null, null).use { c ->
+            if (c.moveToNext()) {
+                return Repo(c)
+            }
+        }
+        return null
+    }
+
+    companion object {
+        private val DATABASE_VER = 5
+        private val TABLE_NAME = "repos"
+    }
+}
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/network/GithubRawApiServices.kt b/app/src/main/java/com/topjohnwu/magisk/data/network/GithubRawApiServices.kt
index 603247eab..262bab4ce 100644
--- a/app/src/main/java/com/topjohnwu/magisk/data/network/GithubRawApiServices.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/data/network/GithubRawApiServices.kt
@@ -1,7 +1,6 @@
 package com.topjohnwu.magisk.data.network
 
 import com.topjohnwu.magisk.Const
-import com.topjohnwu.magisk.KConfig
 import com.topjohnwu.magisk.model.entity.MagiskConfig
 import io.reactivex.Single
 import okhttp3.ResponseBody
@@ -16,19 +15,19 @@ interface GithubRawApiServices {
     //region topjohnwu/magisk_files
 
     @GET("$MAGISK_FILES/master/stable.json")
-    fun fetchConfig(): Single<MagiskConfig>
+    fun fetchStableUpdate(): Single<MagiskConfig>
 
     @GET("$MAGISK_FILES/master/beta.json")
-    fun fetchBetaConfig(): Single<MagiskConfig>
+    fun fetchBetaUpdate(): Single<MagiskConfig>
 
     @GET("$MAGISK_FILES/master/canary_builds/release.json")
-    fun fetchCanaryConfig(): Single<MagiskConfig>
+    fun fetchCanaryUpdate(): Single<MagiskConfig>
 
     @GET("$MAGISK_FILES/master/canary_builds/canary.json")
-    fun fetchCanaryDebugConfig(): Single<MagiskConfig>
+    fun fetchCanaryDebugUpdate(): Single<MagiskConfig>
 
     @GET
-    fun fetchCustomConfig(@Url url: String): Single<MagiskConfig>
+    fun fetchCustomUpdate(@Url url: String): Single<MagiskConfig>
 
     @GET("$MAGISK_FILES/{$REVISION}/snet.apk")
     @Streaming
@@ -55,7 +54,7 @@ interface GithubRawApiServices {
         private const val FILE = "file"
 
 
-        private const val MAGISK_FILES = KConfig.DEFAULT_CHANNEL
+        private const val MAGISK_FILES = "topjohnwu/magisk_files"
         private const val MAGISK_MASTER = "topjohnwu/Magisk/master"
         private const val MAGISK_MODULES = "Magisk-Modules-Repo"
     }
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/repository/DBConfig.kt b/app/src/main/java/com/topjohnwu/magisk/data/repository/DBConfig.kt
new file mode 100644
index 000000000..7a0274c3b
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/repository/DBConfig.kt
@@ -0,0 +1,95 @@
+package com.topjohnwu.magisk.data.repository
+
+import com.topjohnwu.magisk.data.database.SettingsDao
+import com.topjohnwu.magisk.data.database.StringDao
+import com.topjohnwu.magisk.utils.trimEmptyToNull
+import io.reactivex.schedulers.Schedulers
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+interface DBConfig {
+    val settingsDao: SettingsDao
+    val stringDao: StringDao
+
+    fun dbSettings(
+        name: String,
+        default: Int
+    ) = DBSettingsValue(name, default)
+
+    fun dbSettings(
+        name: String,
+        default: Boolean
+    ) = DBBoolSettings(name, default)
+
+    fun dbStrings(
+        name: String,
+        default: String
+    ) = DBStringsValue(name, default)
+
+}
+
+class DBSettingsValue(
+        private val name: String,
+        private val default: Int
+) : ReadWriteProperty<DBConfig, Int> {
+
+    private var value: Int? = null
+
+    private fun getKey(property: KProperty<*>) = name.trimEmptyToNull() ?: property.name
+
+    @Synchronized
+    override fun getValue(thisRef: DBConfig, property: KProperty<*>): Int {
+        if (value == null)
+            value = thisRef.settingsDao.fetch(getKey(property), default).blockingGet()
+        return value!!
+    }
+
+    override fun setValue(thisRef: DBConfig, property: KProperty<*>, value: Int) {
+        synchronized(this) {
+            this.value = value
+        }
+        thisRef.settingsDao.put(getKey(property), value)
+                .subscribeOn(Schedulers.io())
+                .subscribe()
+    }
+}
+
+class DBBoolSettings(
+        name: String,
+        default: Boolean
+) : ReadWriteProperty<DBConfig, Boolean> {
+
+    val base = DBSettingsValue(name, if (default) 1 else 0)
+
+    override fun getValue(thisRef: DBConfig, property: KProperty<*>): Boolean
+            = base.getValue(thisRef, property) != 0
+
+    override fun setValue(thisRef: DBConfig, property: KProperty<*>, value: Boolean) =
+            base.setValue(thisRef, property, if (value) 1 else 0)
+}
+
+class DBStringsValue(
+        private val name: String,
+        private val default: String
+) : ReadWriteProperty<DBConfig, String> {
+
+    private var value: String? = null
+
+    private fun getKey(property: KProperty<*>) = name.trimEmptyToNull() ?: property.name
+
+    @Synchronized
+    override fun getValue(thisRef: DBConfig, property: KProperty<*>): String {
+        if (value == null)
+            value = thisRef.stringDao.fetch(getKey(property), default).blockingGet()
+        return value!!
+    }
+
+    override fun setValue(thisRef: DBConfig, property: KProperty<*>, value: String) {
+        synchronized(this) {
+            this.value = value
+        }
+        thisRef.stringDao.put(getKey(property), value)
+                .subscribeOn(Schedulers.io())
+                .subscribe()
+    }
+}
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/repository/MagiskRepository.kt b/app/src/main/java/com/topjohnwu/magisk/data/repository/MagiskRepository.kt
index 146b5f291..88549261a 100644
--- a/app/src/main/java/com/topjohnwu/magisk/data/repository/MagiskRepository.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/data/repository/MagiskRepository.kt
@@ -4,20 +4,17 @@ import android.content.Context
 import android.content.pm.PackageManager
 import com.topjohnwu.magisk.App
 import com.topjohnwu.magisk.Config
-import com.topjohnwu.magisk.KConfig
+import com.topjohnwu.magisk.Info
 import com.topjohnwu.magisk.data.database.base.su
-import com.topjohnwu.magisk.data.database.base.suRaw
 import com.topjohnwu.magisk.data.network.GithubRawApiServices
 import com.topjohnwu.magisk.model.entity.HideAppInfo
 import com.topjohnwu.magisk.model.entity.HideTarget
-import com.topjohnwu.magisk.model.entity.Version
 import com.topjohnwu.magisk.utils.Utils
 import com.topjohnwu.magisk.utils.inject
 import com.topjohnwu.magisk.utils.toSingle
 import com.topjohnwu.magisk.utils.writeToFile
 import com.topjohnwu.superuser.Shell
 import io.reactivex.Single
-import io.reactivex.functions.BiFunction
 
 class MagiskRepository(
     private val context: Context,
@@ -25,15 +22,15 @@ class MagiskRepository(
     private val packageManager: PackageManager
 ) {
 
-    fun fetchMagisk() = fetchConfig()
+    fun fetchMagisk() = fetchUpdate()
         .flatMap { apiRaw.fetchFile(it.magisk.link) }
         .map { it.writeToFile(context, FILE_MAGISK_ZIP) }
 
-    fun fetchManager() = fetchConfig()
+    fun fetchManager() = fetchUpdate()
         .flatMap { apiRaw.fetchFile(it.app.link) }
         .map { it.writeToFile(context, FILE_MAGISK_APK) }
 
-    fun fetchUninstaller() = fetchConfig()
+    fun fetchUninstaller() = fetchUpdate()
         .flatMap { apiRaw.fetchFile(it.uninstaller.link) }
         .map { it.writeToFile(context, FILE_UNINSTALLER_ZIP) }
 
@@ -44,23 +41,35 @@ class MagiskRepository(
         .map { it.writeToFile(context, FILE_BOOTCTL_SH) }
 
 
-    fun fetchConfig() = when (KConfig.updateChannel) {
-        KConfig.UpdateChannel.STABLE -> apiRaw.fetchConfig()
-        KConfig.UpdateChannel.BETA -> apiRaw.fetchBetaConfig()
-        KConfig.UpdateChannel.CANARY -> apiRaw.fetchCanaryConfig()
-        KConfig.UpdateChannel.CANARY_DEBUG -> apiRaw.fetchCanaryDebugConfig()
-        KConfig.UpdateChannel.CUSTOM -> apiRaw.fetchCustomConfig(KConfig.customUpdateChannel)
-    }
-    .doOnSuccess {
-        Config.remoteMagiskVersionCode = it.magisk.versionCode.toIntOrNull() ?: -1
-        Config.magiskLink = it.magisk.link
-        Config.magiskNoteLink = it.magisk.note
-        Config.magiskMD5 = it.magisk.hash
-        Config.remoteManagerVersionCode = it.app.versionCode.toIntOrNull() ?: -1
-        Config.remoteManagerVersionString = it.app.version
-        Config.managerLink = it.app.link
-        Config.managerNoteLink = it.app.note
-        Config.uninstallerLink = it.uninstaller.link
+    fun fetchUpdate() = when (Config.updateChannel) {
+        Config.Value.DEFAULT_CHANNEL, Config.Value.STABLE_CHANNEL -> apiRaw.fetchStableUpdate()
+        Config.Value.BETA_CHANNEL -> apiRaw.fetchBetaUpdate()
+        Config.Value.CANARY_CHANNEL -> apiRaw.fetchCanaryUpdate()
+        Config.Value.CANARY_DEBUG_CHANNEL -> apiRaw.fetchCanaryDebugUpdate()
+        Config.Value.CUSTOM_CHANNEL -> apiRaw.fetchCustomUpdate(Config.customChannelUrl)
+        else -> throw IllegalArgumentException()
+    }.flatMap {
+        // If remote version is lower than current installed, try switching to beta
+        if (it.magisk.versionCode.toIntOrNull() ?: -1 < Info.magiskVersionCode
+                && Config.updateChannel == Config.Value.DEFAULT_CHANNEL) {
+            Config.updateChannel = Config.Value.BETA_CHANNEL
+            apiRaw.fetchBetaUpdate()
+        } else {
+            Single.just(it)
+        }
+    }.doOnSuccess {
+        Info.remoteMagiskVersionString = it.magisk.version
+        Info.remoteMagiskVersionCode = it.magisk.versionCode.toIntOrNull() ?: -1
+        Info.magiskLink = it.magisk.link
+        Info.magiskNoteLink = it.magisk.note
+        Info.magiskMD5 = it.magisk.hash
+
+        Info.remoteManagerVersionString = it.app.version
+        Info.remoteManagerVersionCode = it.app.versionCode.toIntOrNull() ?: -1
+        Info.managerLink = it.app.link
+        Info.managerNoteLink = it.app.note
+
+        Info.uninstallerLink = it.uninstaller.link
     }
 
     fun fetchApps() =
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/repository/SettingRepository.kt b/app/src/main/java/com/topjohnwu/magisk/data/repository/SettingRepository.kt
deleted file mode 100644
index e8535730c..000000000
--- a/app/src/main/java/com/topjohnwu/magisk/data/repository/SettingRepository.kt
+++ /dev/null
@@ -1,11 +0,0 @@
-package com.topjohnwu.magisk.data.repository
-
-import com.topjohnwu.magisk.data.database.SettingsDao
-
-class SettingRepository(private val settingsDao: SettingsDao) {
-
-    fun fetch(key: String, default: Int) = settingsDao.fetch(key, default)
-    fun put(key: String, value: Int) = settingsDao.put(key, value)
-    fun delete(key: String) = settingsDao.delete(key)
-
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/repository/StringRepository.kt b/app/src/main/java/com/topjohnwu/magisk/data/repository/StringRepository.kt
deleted file mode 100644
index 70fd9ef69..000000000
--- a/app/src/main/java/com/topjohnwu/magisk/data/repository/StringRepository.kt
+++ /dev/null
@@ -1,11 +0,0 @@
-package com.topjohnwu.magisk.data.repository
-
-import com.topjohnwu.magisk.data.database.StringDao
-
-class StringRepository(private val stringDao: StringDao) {
-
-    fun fetch(key: String, default: String) = stringDao.fetch(key, default)
-    fun put(key: String, value: String) = stringDao.put(key, value)
-    fun delete(key: String) = stringDao.delete(key)
-
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/di/RepositoryModule.kt b/app/src/main/java/com/topjohnwu/magisk/di/RepositoryModule.kt
index fa2584c1b..55de36521 100644
--- a/app/src/main/java/com/topjohnwu/magisk/di/RepositoryModule.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/di/RepositoryModule.kt
@@ -8,6 +8,4 @@ val repositoryModule = module {
     single { MagiskRepository(get(), get(), get()) }
     single { LogRepository(get()) }
     single { AppRepository(get()) }
-    single { SettingRepository(get()) }
-    single { StringRepository(get()) }
 }
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/download/DownloadModuleService.java b/app/src/main/java/com/topjohnwu/magisk/model/download/DownloadModuleService.java
index 324b29734..ceb3ea494 100644
--- a/app/src/main/java/com/topjohnwu/magisk/model/download/DownloadModuleService.java
+++ b/app/src/main/java/com/topjohnwu/magisk/model/download/DownloadModuleService.java
@@ -6,6 +6,8 @@ import android.content.Intent;
 import android.net.Uri;
 import android.os.IBinder;
 
+import androidx.annotation.Nullable;
+
 import com.topjohnwu.magisk.App;
 import com.topjohnwu.magisk.ClassMap;
 import com.topjohnwu.magisk.Const;
@@ -29,8 +31,6 @@ import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 import java.util.zip.ZipOutputStream;
 
-import androidx.annotation.Nullable;
-
 public class DownloadModuleService extends Service {
 
     private List<ProgressNotification> notifications;
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/entity/BaseModule.java b/app/src/main/java/com/topjohnwu/magisk/model/entity/BaseModule.java
index 286eab295..b9bb1ae9a 100644
--- a/app/src/main/java/com/topjohnwu/magisk/model/entity/BaseModule.java
+++ b/app/src/main/java/com/topjohnwu/magisk/model/entity/BaseModule.java
@@ -5,10 +5,10 @@ import android.database.Cursor;
 import android.os.Parcel;
 import android.os.Parcelable;
 
-import java.util.List;
-
 import androidx.annotation.NonNull;
 
+import java.util.List;
+
 public abstract class BaseModule implements Comparable<BaseModule>, Parcelable {
 
     private String mId, mName, mVersion, mAuthor, mDescription;
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/entity/Policy.java b/app/src/main/java/com/topjohnwu/magisk/model/entity/Policy.java
index 10cc6dac6..cb7797e40 100644
--- a/app/src/main/java/com/topjohnwu/magisk/model/entity/Policy.java
+++ b/app/src/main/java/com/topjohnwu/magisk/model/entity/Policy.java
@@ -4,10 +4,10 @@ import android.content.ContentValues;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 
-import com.topjohnwu.magisk.utils.Utils;
-
 import androidx.annotation.NonNull;
 
+import com.topjohnwu.magisk.utils.Utils;
+
 
 public class Policy implements Comparable<Policy>{
     public static final int INTERACTIVE = 0;
@@ -27,7 +27,7 @@ public class Policy implements Comparable<Policy>{
         this.uid = uid;
         packageName = pkgs[0];
         info = pm.getApplicationInfo(packageName, 0);
-        appName = Utils.getAppLabel(info, pm);
+        appName = Utils.INSTANCE.getAppLabel(info, pm);
     }
 
     public Policy(ContentValues values, PackageManager pm) throws PackageManager.NameNotFoundException {
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/entity/Repo.java b/app/src/main/java/com/topjohnwu/magisk/model/entity/Repo.java
index f72b45a62..853d013f3 100644
--- a/app/src/main/java/com/topjohnwu/magisk/model/entity/Repo.java
+++ b/app/src/main/java/com/topjohnwu/magisk/model/entity/Repo.java
@@ -54,7 +54,7 @@ public class Repo extends BaseModule {
     }
 
     public void update() throws IllegalRepoException {
-        String[] props = Utils.dlString(getPropUrl()).split("\\n");
+        String[] props = Utils.INSTANCE.dlString(getPropUrl()).split("\\n");
         try {
             parseProps(props);
         } catch (NumberFormatException e) {
@@ -103,7 +103,7 @@ public class Repo extends BaseModule {
     }
 
     public String getDownloadFilename() {
-        return Utils.getLegalFilename(getName() + "-" + getVersion() + ".zip");
+        return Utils.INSTANCE.getLegalFilename(getName() + "-" + getVersion() + ".zip");
     }
 
     public class IllegalRepoException extends Exception {
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/preference/PreferenceModel.kt b/app/src/main/java/com/topjohnwu/magisk/model/preference/PreferenceModel.kt
index d751baa98..75c9bbdd2 100644
--- a/app/src/main/java/com/topjohnwu/magisk/model/preference/PreferenceModel.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/model/preference/PreferenceModel.kt
@@ -2,6 +2,8 @@ package com.topjohnwu.magisk.model.preference
 
 import android.content.Context
 import android.content.SharedPreferences
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
 
 interface PreferenceModel {
 
@@ -14,6 +16,20 @@ interface PreferenceModel {
     val prefs: SharedPreferences
         get() = context.getSharedPreferences(fileName, Context.MODE_PRIVATE)
 
+    fun preferenceStrInt(
+        name: String,
+        default: Int,
+        writeDefault: Boolean = false,
+        commit: Boolean = commitPrefs
+    ) = object: ReadWriteProperty<PreferenceModel, Int> {
+        val base = StringProperty(name, default.toString(), commit)
+        override fun getValue(thisRef: PreferenceModel, property: KProperty<*>): Int =
+                base.getValue(thisRef, property).toInt()
+
+        override fun setValue(thisRef: PreferenceModel, property: KProperty<*>, value: Int) =
+                base.setValue(thisRef, property, value.toString())
+    }
+
     fun preference(
         name: String,
         default: Boolean,
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/receiver/GeneralReceiver.kt b/app/src/main/java/com/topjohnwu/magisk/model/receiver/GeneralReceiver.kt
index 43eae3da1..4807fdb62 100644
--- a/app/src/main/java/com/topjohnwu/magisk/model/receiver/GeneralReceiver.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/model/receiver/GeneralReceiver.kt
@@ -6,6 +6,7 @@ import android.content.Intent
 import com.topjohnwu.magisk.ClassMap
 import com.topjohnwu.magisk.Config
 import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.Info
 import com.topjohnwu.magisk.data.database.base.su
 import com.topjohnwu.magisk.data.repository.AppRepository
 import com.topjohnwu.magisk.ui.surequest.SuRequestActivity
@@ -13,7 +14,6 @@ import com.topjohnwu.magisk.utils.DownloadApp
 import com.topjohnwu.magisk.utils.RootUtils
 import com.topjohnwu.magisk.utils.SuLogger
 import com.topjohnwu.magisk.utils.inject
-import com.topjohnwu.magisk.utils.get
 import com.topjohnwu.magisk.view.Notifications
 import com.topjohnwu.magisk.view.Shortcuts
 import com.topjohnwu.superuser.Shell
@@ -64,9 +64,8 @@ open class GeneralReceiver : BroadcastReceiver() {
             }
             Intent.ACTION_PACKAGE_REPLACED ->
                 // This will only work pre-O
-                if (Config.get<Boolean>(Config.Key.SU_REAUTH)!!) {
+                if (Config.suReAuth)
                     appRepo.delete(getPkg(intent)).blockingGet()
-                }
             Intent.ACTION_PACKAGE_FULLY_REMOVED -> {
                 val pkg = getPkg(intent)
                 appRepo.delete(pkg).blockingGet()
@@ -74,7 +73,7 @@ open class GeneralReceiver : BroadcastReceiver() {
             }
             Intent.ACTION_LOCALE_CHANGED -> Shortcuts.setup(context)
             Const.Key.BROADCAST_MANAGER_UPDATE -> {
-                Config.managerLink = intent.getStringExtra(Const.Key.INTENT_SET_LINK)
+                Info.managerLink = intent.getStringExtra(Const.Key.INTENT_SET_LINK)
                 DownloadApp.upgrade(intent.getStringExtra(Const.Key.INTENT_SET_NAME))
             }
             Const.Key.BROADCAST_REBOOT -> RootUtils.reboot()
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/update/UpdateCheckService.kt b/app/src/main/java/com/topjohnwu/magisk/model/update/UpdateCheckService.kt
index 9c191ca43..a69d5eef9 100644
--- a/app/src/main/java/com/topjohnwu/magisk/model/update/UpdateCheckService.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/model/update/UpdateCheckService.kt
@@ -2,7 +2,7 @@ package com.topjohnwu.magisk.model.update
 
 import androidx.work.ListenableWorker
 import com.topjohnwu.magisk.BuildConfig
-import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.Info
 import com.topjohnwu.magisk.data.repository.MagiskRepository
 import com.topjohnwu.magisk.model.worker.DelegateWorker
 import com.topjohnwu.magisk.utils.inject
@@ -14,10 +14,10 @@ class UpdateCheckService : DelegateWorker() {
 
     override fun doWork(): ListenableWorker.Result {
         return runCatching {
-            magiskRepo.fetchConfig().blockingGet()
-            if (BuildConfig.VERSION_CODE < Config.remoteManagerVersionCode)
+            magiskRepo.fetchUpdate().blockingGet()
+            if (BuildConfig.VERSION_CODE < Info.remoteManagerVersionCode)
                 Notifications.managerUpdate()
-            else if (Config.magiskVersionCode < Config.remoteManagerVersionCode)
+            else if (Info.magiskVersionCode < Info.remoteManagerVersionCode)
                 Notifications.magiskUpdate()
             ListenableWorker.Result.success()
         }.getOrElse {
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/worker/DelegateWorker.java b/app/src/main/java/com/topjohnwu/magisk/model/worker/DelegateWorker.java
index 670e88d1c..f9460e824 100644
--- a/app/src/main/java/com/topjohnwu/magisk/model/worker/DelegateWorker.java
+++ b/app/src/main/java/com/topjohnwu/magisk/model/worker/DelegateWorker.java
@@ -4,12 +4,6 @@ import android.content.Context;
 import android.net.Network;
 import android.net.Uri;
 
-import com.google.common.util.concurrent.ListenableFuture;
-
-import java.util.List;
-import java.util.Set;
-import java.util.UUID;
-
 import androidx.annotation.MainThread;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -17,6 +11,12 @@ import androidx.annotation.RequiresApi;
 import androidx.work.Data;
 import androidx.work.ListenableWorker;
 
+import com.google.common.util.concurrent.ListenableFuture;
+
+import java.util.List;
+import java.util.Set;
+import java.util.UUID;
+
 public abstract class DelegateWorker {
 
     private ListenableWorker worker;
diff --git a/app/src/main/java/com/topjohnwu/magisk/tasks/MagiskInstaller.java b/app/src/main/java/com/topjohnwu/magisk/tasks/MagiskInstaller.java
index f958aabd4..cc867b1bd 100644
--- a/app/src/main/java/com/topjohnwu/magisk/tasks/MagiskInstaller.java
+++ b/app/src/main/java/com/topjohnwu/magisk/tasks/MagiskInstaller.java
@@ -8,8 +8,8 @@ import androidx.annotation.MainThread;
 import androidx.annotation.WorkerThread;
 
 import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.Config;
 import com.topjohnwu.magisk.Const;
+import com.topjohnwu.magisk.Info;
 import com.topjohnwu.magisk.utils.Utils;
 import com.topjohnwu.net.DownloadProgressListener;
 import com.topjohnwu.net.Networking;
@@ -123,9 +123,9 @@ public abstract class MagiskInstaller {
 
         File zip = new File(App.self.getCacheDir(), "magisk.zip");
 
-        if (!ShellUtils.checkSum("MD5", zip, Config.magiskMD5)) {
+        if (!ShellUtils.checkSum("MD5", zip, Info.magiskMD5)) {
             console.add("- Downloading zip");
-            Networking.get(Config.magiskLink)
+            Networking.get(Info.magiskLink)
                     .setDownloadProgressListener(new ProgressLog())
                     .execForFile(zip);
         } else {
@@ -282,10 +282,10 @@ public abstract class MagiskInstaller {
             return false;
         }
 
-        if (!Shell.sh(Utils.fmt(
+        if (!Shell.sh(Utils.INSTANCE.fmt(
                 "KEEPFORCEENCRYPT=%b KEEPVERITY=%b RECOVERYMODE=%b " +
                 "sh update-binary sh boot_patch.sh %s",
-                Config.keepEnc, Config.keepVerity, Config.recovery, srcBoot))
+                Info.keepEnc, Info.keepVerity, Info.recovery, srcBoot))
                 .to(console, logs).exec().isSuccess())
             return false;
 
@@ -311,10 +311,10 @@ public abstract class MagiskInstaller {
     }
 
     protected boolean flashBoot() {
-        if (!Shell.su(Utils.fmt("direct_install %s %s", installDir, srcBoot))
+        if (!Shell.su(Utils.INSTANCE.fmt("direct_install %s %s", installDir, srcBoot))
                 .to(console, logs).exec().isSuccess())
             return false;
-        if (!Config.keepVerity)
+        if (!Info.keepVerity)
             Shell.su("patch_dtbo_image").to(console, logs).exec();
         return true;
     }
diff --git a/app/src/main/java/com/topjohnwu/magisk/tasks/UpdateRepos.java b/app/src/main/java/com/topjohnwu/magisk/tasks/UpdateRepos.java
index 4098bb497..b7b5eaceb 100644
--- a/app/src/main/java/com/topjohnwu/magisk/tasks/UpdateRepos.java
+++ b/app/src/main/java/com/topjohnwu/magisk/tasks/UpdateRepos.java
@@ -3,6 +3,8 @@ package com.topjohnwu.magisk.tasks;
 import android.database.Cursor;
 import android.util.Pair;
 
+import androidx.annotation.NonNull;
+
 import com.topjohnwu.magisk.App;
 import com.topjohnwu.magisk.Config;
 import com.topjohnwu.magisk.Const;
@@ -31,7 +33,6 @@ import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 
-import androidx.annotation.NonNull;
 import io.reactivex.Single;
 
 @Deprecated
@@ -74,10 +75,10 @@ public class UpdateRepos {
      * first page is updated to determine whether the online repo database is changed
      */
     private boolean parsePage(int page) {
-        Request req = Networking.get(Utils.fmt(Const.Url.REPO_URL, page + 1));
+        Request req = Networking.get(Utils.INSTANCE.fmt(Const.Url.REPO_URL, page + 1));
         if (page == 0) {
-            String etag = Config.get(Config.Key.ETAG_KEY);
-            if (etag != null)
+            String etag = Config.getEtagKey();
+            if (!etag.isEmpty())
                 req.addHeaders(Const.Key.IF_NONE_MATCH, etag);
         }
         Request.Result<JSONArray> res = req.execForJSONArray();
@@ -110,7 +111,7 @@ public class UpdateRepos {
             String etag = res.getConnection().getHeaderField(Config.Key.ETAG_KEY);
             if (etag != null) {
                 etag = etag.substring(etag.indexOf('\"'), etag.lastIndexOf('\"') + 1);
-                Config.set(Config.Key.ETAG_KEY, etag);
+                Config.setEtagKey(etag);
             }
         }
 
diff --git a/app/src/main/java/com/topjohnwu/magisk/ui/MainActivity.kt b/app/src/main/java/com/topjohnwu/magisk/ui/MainActivity.kt
index 1aa718252..654a1667e 100644
--- a/app/src/main/java/com/topjohnwu/magisk/ui/MainActivity.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/ui/MainActivity.kt
@@ -7,6 +7,7 @@ import androidx.fragment.app.Fragment
 import com.topjohnwu.magisk.ClassMap
 import com.topjohnwu.magisk.Config
 import com.topjohnwu.magisk.Const.Key.OPEN_SECTION
+import com.topjohnwu.magisk.Info
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.databinding.ActivityMainBinding
 import com.topjohnwu.magisk.model.navigation.Navigation
@@ -105,11 +106,11 @@ open class MainActivity : MagiskActivity<MainViewModel, ActivityMainBinding>() {
     private fun checkHideSection() {
         val menu = binding.navView.menu
         menu.findItem(R.id.magiskHideFragment).isVisible =
-            Shell.rootAccess() && Config.get<Any>(Config.Key.MAGISKHIDE) as Boolean
+            Shell.rootAccess() && Config.magiskHide
         menu.findItem(R.id.modulesFragment).isVisible =
-            Shell.rootAccess() && Config.magiskVersionCode >= 0
+            Shell.rootAccess() && Info.magiskVersionCode >= 0
         menu.findItem(R.id.reposFragment).isVisible =
-            (Networking.checkNetworkStatus(this) && Shell.rootAccess() && Config.magiskVersionCode >= 0)
+            (Networking.checkNetworkStatus(this) && Shell.rootAccess() && Info.magiskVersionCode >= 0)
         menu.findItem(R.id.logFragment).isVisible =
             Shell.rootAccess()
         menu.findItem(R.id.superuserFragment).isVisible =
diff --git a/app/src/main/java/com/topjohnwu/magisk/ui/SplashActivity.kt b/app/src/main/java/com/topjohnwu/magisk/ui/SplashActivity.kt
index 0d48f53fb..db3259245 100644
--- a/app/src/main/java/com/topjohnwu/magisk/ui/SplashActivity.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/ui/SplashActivity.kt
@@ -7,6 +7,7 @@ import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import com.skoumal.teanity.extensions.subscribeK
 import com.topjohnwu.magisk.*
+import com.topjohnwu.magisk.data.database.SettingsDao
 import com.topjohnwu.magisk.tasks.UpdateRepos
 import com.topjohnwu.magisk.utils.Utils
 import com.topjohnwu.magisk.view.Notifications
@@ -21,7 +22,7 @@ open class SplashActivity : AppCompatActivity() {
         super.onCreate(savedInstanceState)
 
         Shell.getShell {
-            if (Config.magiskVersionCode > 0 && Config.magiskVersionCode < Const.MagiskVersion.MIN_SUPPORT) {
+            if (Info.magiskVersionCode > 0 && Info.magiskVersionCode < Const.MagiskVersion.MIN_SUPPORT) {
                 AlertDialog.Builder(this)
                     .setTitle(R.string.unsupport_magisk_title)
                     .setMessage(R.string.unsupport_magisk_message)
@@ -35,9 +36,9 @@ open class SplashActivity : AppCompatActivity() {
     }
 
     private fun initAndStart() {
-        val pkg = Config.get<String>(Config.Key.SU_MANAGER)
-        if (pkg != null && packageName == BuildConfig.APPLICATION_ID) {
-            Config.remove(Config.Key.SU_MANAGER)
+        val pkg = Config.suManager
+        if (Config.suManager.isNotEmpty() && packageName == BuildConfig.APPLICATION_ID) {
+            get<SettingsDao>().delete(Config.Key.SU_MANAGER)
             Shell.su("pm uninstall $pkg").submit()
         }
         if (TextUtils.equals(pkg, packageName)) {
@@ -56,15 +57,12 @@ open class SplashActivity : AppCompatActivity() {
 
         // Schedule periodic update checks
         Utils.scheduleUpdateCheck()
-        //CheckUpdates.check()
 
         // Setup shortcuts
         Shortcuts.setup(this)
 
         // Magisk working as expected
-        if (Shell.rootAccess() && Config.magiskVersionCode > 0) {
-            // Load modules
-            //Utils.loadModules(false)
+        if (Shell.rootAccess() && Info.magiskVersionCode > 0) {
             // Load repos
             if (Networking.checkNetworkStatus(this)) {
                 get<UpdateRepos>().exec().subscribeK()
diff --git a/app/src/main/java/com/topjohnwu/magisk/ui/base/BasePreferenceFragment.kt b/app/src/main/java/com/topjohnwu/magisk/ui/base/BasePreferenceFragment.kt
index 6f9bb3388..5095ed8f8 100644
--- a/app/src/main/java/com/topjohnwu/magisk/ui/base/BasePreferenceFragment.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/ui/base/BasePreferenceFragment.kt
@@ -12,8 +12,6 @@ import androidx.core.view.isVisible
 import androidx.preference.*
 import androidx.recyclerview.widget.RecyclerView
 import com.topjohnwu.magisk.App
-import com.topjohnwu.magisk.Config
-import com.topjohnwu.magisk.KConfig
 import com.topjohnwu.magisk.R
 import org.koin.android.ext.android.inject
 
@@ -63,22 +61,6 @@ abstract class BasePreferenceFragment : PreferenceFragmentCompat(),
             view.setPadding(0, view.paddingTop, view.paddingRight, view.paddingBottom)
     }
 
-    protected fun setCustomUpdateChannel(userRepo: String) {
-        KConfig.customUpdateChannel = userRepo
-    }
-
-    protected fun getChannelCompat(channel: Int): KConfig.UpdateChannel {
-        return when (channel) {
-            Config.Value.STABLE_CHANNEL,
-            Config.Value.DEFAULT_CHANNEL -> KConfig.UpdateChannel.STABLE
-            Config.Value.BETA_CHANNEL -> KConfig.UpdateChannel.BETA
-            Config.Value.CANARY_CHANNEL -> KConfig.UpdateChannel.CANARY
-            Config.Value.CANARY_DEBUG_CHANNEL -> KConfig.UpdateChannel.CANARY_DEBUG
-            Config.Value.CUSTOM_CHANNEL -> KConfig.UpdateChannel.CUSTOM
-            else -> KConfig.updateChannel
-        }
-    }
-
     protected fun <T: Preference> findPref(key: CharSequence): T {
         return findPreference(key) as T
     }
diff --git a/app/src/main/java/com/topjohnwu/magisk/ui/base/MagiskActivity.kt b/app/src/main/java/com/topjohnwu/magisk/ui/base/MagiskActivity.kt
index 62bf24d25..f70398d18 100644
--- a/app/src/main/java/com/topjohnwu/magisk/ui/base/MagiskActivity.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/ui/base/MagiskActivity.kt
@@ -51,14 +51,12 @@ abstract class MagiskActivity<ViewModel : MagiskViewModel, Binding : ViewDataBin
         get() = navigationController?.let { it.currentStackIndex != defaultPosition } ?: false
 
     init {
-        val isDarkTheme = Config.get<Boolean>(Config.Key.DARK_THEME)
-        val theme = if (isDarkTheme) {
+        val theme = if (Config.darkTheme) {
             AppCompatDelegate.MODE_NIGHT_YES
         } else {
             AppCompatDelegate.MODE_NIGHT_NO
         }
         AppCompatDelegate.setDefaultNightMode(theme)
-        AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
     }
 
     override fun applyOverrideConfiguration(config: Configuration?) {
diff --git a/app/src/main/java/com/topjohnwu/magisk/ui/hide/MagiskHideFragment.kt b/app/src/main/java/com/topjohnwu/magisk/ui/hide/MagiskHideFragment.kt
index 64f5f0885..9d703b3a4 100644
--- a/app/src/main/java/com/topjohnwu/magisk/ui/hide/MagiskHideFragment.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/ui/hide/MagiskHideFragment.kt
@@ -28,7 +28,7 @@ class MagiskHideFragment : MagiskFragment<HideViewModel, FragmentMagiskHideBindi
             (findItem(R.id.app_search).actionView as? SearchView)
                 ?.setOnQueryTextListener(this@MagiskHideFragment)
 
-            val showSystem = Config.get<Boolean>(Config.Key.SHOW_SYSTEM_APP)
+            val showSystem = Config.showSystemApp
 
             findItem(R.id.show_system).isChecked = showSystem
             viewModel.isShowSystem.value = showSystem
@@ -39,10 +39,8 @@ class MagiskHideFragment : MagiskFragment<HideViewModel, FragmentMagiskHideBindi
         if (item.itemId == R.id.show_system) {
             val showSystem = !item.isChecked
             item.isChecked = showSystem
-            Config.set(Config.Key.SHOW_SYSTEM_APP, showSystem)
+            Config.showSystemApp = showSystem
             viewModel.isShowSystem.value = showSystem
-            //adapter!!.setShowSystem(showSystem)
-            //adapter!!.filter(search!!.query.toString())
         }
         return true
     }
@@ -56,9 +54,4 @@ class MagiskHideFragment : MagiskFragment<HideViewModel, FragmentMagiskHideBindi
         viewModel.query.value = query.orEmpty()
         return false
     }
-
-    /*override fun onEvent(event: Int) {
-        //mSwipeRefreshLayout!!.isRefreshing = false
-        adapter!!.filter(search!!.query.toString())
-    }*/
 }
diff --git a/app/src/main/java/com/topjohnwu/magisk/ui/home/HomeFragment.kt b/app/src/main/java/com/topjohnwu/magisk/ui/home/HomeFragment.kt
index 554e3ff9c..146bad9df 100644
--- a/app/src/main/java/com/topjohnwu/magisk/ui/home/HomeFragment.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/ui/home/HomeFragment.kt
@@ -56,7 +56,7 @@ class HomeFragment : MagiskFragment<HomeViewModel, FragmentMagiskBinding>(),
 
     private fun installMagisk() {
         // Show Manager update first
-        if (Config.remoteManagerVersionCode > BuildConfig.VERSION_CODE) {
+        if (Info.remoteManagerVersionCode > BuildConfig.VERSION_CODE) {
             installManager()
             return
         }
diff --git a/app/src/main/java/com/topjohnwu/magisk/ui/home/HomeViewModel.kt b/app/src/main/java/com/topjohnwu/magisk/ui/home/HomeViewModel.kt
index 81ba98c8d..ae429b6d3 100644
--- a/app/src/main/java/com/topjohnwu/magisk/ui/home/HomeViewModel.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/ui/home/HomeViewModel.kt
@@ -4,10 +4,7 @@ import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
 import com.skoumal.teanity.extensions.doOnSubscribeUi
 import com.skoumal.teanity.extensions.subscribeK
 import com.skoumal.teanity.util.KObservableField
-import com.topjohnwu.magisk.BuildConfig
-import com.topjohnwu.magisk.Config
-import com.topjohnwu.magisk.Const
-import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.*
 import com.topjohnwu.magisk.data.repository.MagiskRepository
 import com.topjohnwu.magisk.model.events.*
 import com.topjohnwu.magisk.model.observer.Observer
@@ -25,8 +22,8 @@ class HomeViewModel(
 
     val isAdvancedExpanded = KObservableField(false)
 
-    val isForceEncryption = KObservableField(Config.keepEnc)
-    val isKeepVerity = KObservableField(Config.keepVerity)
+    val isForceEncryption = KObservableField(Info.keepEnc)
+    val isKeepVerity = KObservableField(Info.keepVerity)
 
     val magiskState = KObservableField(MagiskState.LOADING)
     val magiskStateText = Observer(magiskState) {
@@ -41,7 +38,7 @@ class HomeViewModel(
     val magiskCurrentVersion = KObservableField("")
     val magiskLatestVersion = KObservableField("")
     val magiskAdditionalInfo = Observer(magiskState) {
-        if (Config.get<Boolean>(Config.Key.COREONLY))
+        if (Config.coreOnly)
             R.string.core_only_enabled.res()
         else
             ""
@@ -87,10 +84,10 @@ class HomeViewModel(
 
     init {
         isForceEncryption.addOnPropertyChangedCallback {
-            Config.keepEnc = it ?: return@addOnPropertyChangedCallback
+            Info.keepEnc = it ?: return@addOnPropertyChangedCallback
         }
         isKeepVerity.addOnPropertyChangedCallback {
-            Config.keepVerity = it ?: return@addOnPropertyChangedCallback
+            Info.keepVerity = it ?: return@addOnPropertyChangedCallback
         }
 
         refresh()
@@ -154,7 +151,7 @@ class HomeViewModel(
     }
 
     fun refresh() {
-        magiskRepo.fetchConfig()
+        magiskRepo.fetchUpdate()
             .applyViewModel(this)
             .doOnSubscribeUi {
                 magiskState.value = MagiskState.LOADING
@@ -164,14 +161,6 @@ class HomeViewModel(
                 safetyNetTitle.value = R.string.safetyNet_check_text
             }
             .subscribeK {
-                it.app.let {
-                    Config.remoteManagerVersionCode = it.versionCode.toIntOrNull() ?: -1
-                    Config.remoteManagerVersionString = it.version
-                }
-                it.magisk.let {
-                    Config.remoteMagiskVersionCode = it.versionCode.toIntOrNull() ?: -1
-                    Config.remoteMagiskVersionString = it.version
-                }
                 updateSelf()
                 ensureEnv()
             }
@@ -181,22 +170,22 @@ class HomeViewModel(
 
     private fun updateSelf() {
         state = State.LOADED
-        magiskState.value = when (Config.magiskVersionCode) {
+        magiskState.value = when (Info.magiskVersionCode) {
             in Int.MIN_VALUE until 0 -> MagiskState.NOT_INSTALLED
-            !in Config.remoteMagiskVersionCode..Int.MAX_VALUE -> MagiskState.OBSOLETE
+            !in Info.remoteMagiskVersionCode..Int.MAX_VALUE -> MagiskState.OBSOLETE
             else -> MagiskState.UP_TO_DATE
         }
 
         magiskCurrentVersion.value = if (magiskState.value != MagiskState.NOT_INSTALLED) {
-            version.format(Config.magiskVersionString, Config.magiskVersionCode)
+            version.format(Info.magiskVersionString, Info.magiskVersionCode)
         } else {
             ""
         }
 
         magiskLatestVersion.value = version
-            .format(Config.remoteMagiskVersionString, Config.remoteMagiskVersionCode)
+            .format(Info.remoteMagiskVersionString, Info.remoteMagiskVersionCode)
 
-        managerState.value = when (Config.remoteManagerVersionCode) {
+        managerState.value = when (Info.remoteManagerVersionCode) {
             in Int.MIN_VALUE until 0 -> MagiskState.NOT_INSTALLED //wrong update channel
             in (BuildConfig.VERSION_CODE + 1)..Int.MAX_VALUE -> MagiskState.OBSOLETE
             else -> MagiskState.UP_TO_DATE
@@ -206,7 +195,7 @@ class HomeViewModel(
             .format(BuildConfig.VERSION_NAME, BuildConfig.VERSION_CODE)
 
         managerLatestVersion.value = version
-            .format(Config.remoteManagerVersionString, Config.remoteManagerVersionCode)
+            .format(Info.remoteManagerVersionString, Info.remoteManagerVersionCode)
     }
 
     private fun ensureEnv() {
diff --git a/app/src/main/java/com/topjohnwu/magisk/ui/module/ReposFragment.kt b/app/src/main/java/com/topjohnwu/magisk/ui/module/ReposFragment.kt
index 61e4c57f8..7cb14796f 100644
--- a/app/src/main/java/com/topjohnwu/magisk/ui/module/ReposFragment.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/ui/module/ReposFragment.kt
@@ -53,9 +53,9 @@ class ReposFragment : MagiskFragment<ModuleViewModel, FragmentReposBinding>(),
                 .setTitle(R.string.sorting_order)
                 .setSingleChoiceItems(
                     R.array.sorting_orders,
-                    Config.get<Int>(Config.Key.REPO_ORDER)!!
+                    Config.repoOrder
                 ) { d, which ->
-                    Config.set(Config.Key.REPO_ORDER, which)
+                    Config.repoOrder = which
                     viewModel.refresh(false)
                     d.dismiss()
                 }.show()
diff --git a/app/src/main/java/com/topjohnwu/magisk/ui/settings/SettingsFragment.kt b/app/src/main/java/com/topjohnwu/magisk/ui/settings/SettingsFragment.kt
index 500493e1d..f97164104 100644
--- a/app/src/main/java/com/topjohnwu/magisk/ui/settings/SettingsFragment.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/ui/settings/SettingsFragment.kt
@@ -13,10 +13,11 @@ import androidx.preference.Preference
 import androidx.preference.PreferenceCategory
 import androidx.preference.SwitchPreferenceCompat
 import com.skoumal.teanity.extensions.subscribeK
-import com.topjohnwu.magisk.*
-import com.topjohnwu.magisk.KConfig.UpdateChannel
+import com.topjohnwu.magisk.BuildConfig
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.data.database.RepoDatabaseHelper
-import com.topjohnwu.magisk.data.repository.SettingRepository
 import com.topjohnwu.magisk.ui.base.BasePreferenceFragment
 import com.topjohnwu.magisk.utils.*
 import com.topjohnwu.magisk.view.dialogs.FingerprintAuthDialog
@@ -27,7 +28,6 @@ import org.koin.android.ext.android.inject
 class SettingsFragment : BasePreferenceFragment() {
 
     private val repoDatabase: RepoDatabaseHelper by inject()
-    private val settingRepo: SettingRepository by inject()
 
     private lateinit var updateChannel: ListPreference
     private lateinit var autoRes: ListPreference
@@ -53,7 +53,7 @@ class SettingsFragment : BasePreferenceFragment() {
         requestTimeout = findPref(Config.Key.SU_REQUEST_TIMEOUT)
         suNotification = findPref(Config.Key.SU_NOTIFICATION)
         multiuserConfig = findPref(Config.Key.SU_MULTIUSER_MODE)
-        nsConfig = findPref(Config.Key.SU_MNT_NS) as ListPreference
+        nsConfig = findPref(Config.Key.SU_MNT_NS)
         val reauth = findPreference(Config.Key.SU_REAUTH) as SwitchPreferenceCompat
         val fingerprint = findPreference(Config.Key.SU_FINGERPRINT) as SwitchPreferenceCompat
         val generalCatagory = findPreference("general") as PreferenceCategory
@@ -70,7 +70,9 @@ class SettingsFragment : BasePreferenceFragment() {
             true
         }
         findPreference("clear").setOnPreferenceClickListener {
-            prefs.edit().remove(Config.Key.ETAG_KEY).apply()
+            prefs.edit {
+                remove(Config.Key.ETAG_KEY)
+            }
             repoDatabase.clearRepo()
             Utils.toast(R.string.repo_cache_cleared, Toast.LENGTH_SHORT)
             true
@@ -81,30 +83,23 @@ class SettingsFragment : BasePreferenceFragment() {
             true
         }
 
-        prefs.edit {
-            putBoolean(Config.Key.SU_FINGERPRINT, FingerprintHelper.useFingerprint())
-        }
-
         updateChannel.setOnPreferenceChangeListener { _, value ->
             val channel = Integer.parseInt(value as String)
+            val previous = Config.updateChannel
 
-            val previousUpdateChannel = KConfig.updateChannel
-            val updateChannel = getChannelCompat(channel)
-
-            KConfig.updateChannel = updateChannel
-
-            if (updateChannel === UpdateChannel.CUSTOM) {
-                val v = LayoutInflater.from(requireActivity()).inflate(R.layout.custom_channel_dialog, null)
+            if (channel == Config.Value.CUSTOM_CHANNEL) {
+                val v = LayoutInflater.from(requireActivity())
+                        .inflate(R.layout.custom_channel_dialog, null)
                 val url = v.findViewById<EditText>(R.id.custom_url)
-                url.setText(KConfig.customUpdateChannel)
+                url.setText(Config.customChannelUrl)
                 AlertDialog.Builder(requireActivity())
                         .setTitle(R.string.settings_update_custom)
                         .setView(v)
                         .setPositiveButton(R.string.ok) { _, _ ->
-                            setCustomUpdateChannel(url.text.toString()) }
+                            Config.customChannelUrl = url.text.toString() }
                         .setNegativeButton(R.string.close) { _, _ ->
-                            KConfig.updateChannel = previousUpdateChannel }
-                        .setOnCancelListener { KConfig.updateChannel = previousUpdateChannel }
+                            Config.updateChannel = previous }
+                        .setOnCancelListener { Config.updateChannel = previous }
                         .show()
             }
             true
@@ -114,7 +109,7 @@ class SettingsFragment : BasePreferenceFragment() {
 
         /* We only show canary channels if user is already on canary channel
          * or the user have already chosen canary channel */
-        if (!Utils.isCanary() && Config.get<Int>(Config.Key.UPDATE_CHANNEL) < Config.Value.CANARY_CHANNEL) {
+        if (!Utils.isCanary && Config.updateChannel < Config.Value.CANARY_CHANNEL) {
             // Remove the last 2 entries
             val entries = updateChannel.entries
             updateChannel.entries = entries.copyOf(entries.size - 2)
@@ -168,8 +163,9 @@ class SettingsFragment : BasePreferenceFragment() {
 
     override fun onSharedPreferenceChanged(prefs: SharedPreferences, key: String) {
         when (key) {
-            Config.Key.ROOT_ACCESS, Config.Key.SU_MULTIUSER_MODE, Config.Key.SU_MNT_NS ->
-                settingRepo.put(key, Utils.getPrefsInt(prefs, key)).subscribe()
+            Config.Key.ROOT_ACCESS -> Config.rootMode = Utils.getPrefsInt(prefs, key)
+            Config.Key.SU_MULTIUSER_MODE -> Config.suMultiuserMode = Utils.getPrefsInt(prefs, key)
+            Config.Key.SU_MNT_NS -> Config.suMntNamespaceMode = Utils.getPrefsInt(prefs, key)
             Config.Key.DARK_THEME -> requireActivity().recreate()
             Config.Key.COREONLY -> {
                 if (prefs.getBoolean(key, false)) {
@@ -196,14 +192,13 @@ class SettingsFragment : BasePreferenceFragment() {
     }
 
     override fun onPreferenceTreeClick(preference: Preference): Boolean {
-        val key = preference.key
-        when (key) {
+        when (preference.key) {
             Config.Key.SU_FINGERPRINT -> {
                 val checked = (preference as SwitchPreferenceCompat).isChecked
                 preference.isChecked = !checked
                 FingerprintAuthDialog(requireActivity()) {
                     preference.isChecked = checked
-                    Config.set(key, checked)
+                    Config.suFingerprint = checked
                 }.show()
             }
         }
@@ -237,34 +232,34 @@ class SettingsFragment : BasePreferenceFragment() {
 
     private fun setSummary(key: String) {
         when (key) {
+            Config.Key.ROOT_ACCESS -> rootConfig.summary = resources
+                    .getStringArray(R.array.su_access)[Config.rootMode]
+            Config.Key.SU_MULTIUSER_MODE -> multiuserConfig.summary = resources
+                    .getStringArray(R.array.multiuser_summary)[Config.suMultiuserMode]
+            Config.Key.SU_MNT_NS -> nsConfig.summary = resources
+                    .getStringArray(R.array.namespace_summary)[Config.suMntNamespaceMode]
             Config.Key.UPDATE_CHANNEL -> {
-                var ch = Config.get<Int>(key)
+                var ch = Config.updateChannel
                 ch = if (ch < 0) Config.Value.STABLE_CHANNEL else ch
                 updateChannel.summary = resources
                         .getStringArray(R.array.update_channel)[ch]
             }
-            Config.Key.ROOT_ACCESS -> rootConfig.summary = resources
-                    .getStringArray(R.array.su_access)[Config.get<Int>(key)]
             Config.Key.SU_AUTO_RESPONSE -> autoRes.summary = resources
-                    .getStringArray(R.array.auto_response)[Config.get<Int>(key)]
+                    .getStringArray(R.array.auto_response)[Config.suAutoReponse]
             Config.Key.SU_NOTIFICATION -> suNotification.summary = resources
-                    .getStringArray(R.array.su_notification)[Config.get<Int>(key)]
+                    .getStringArray(R.array.su_notification)[Config.suNotification]
             Config.Key.SU_REQUEST_TIMEOUT -> requestTimeout.summary =
-                    getString(R.string.request_timeout_summary, Config.get<Int>(key))
-            Config.Key.SU_MULTIUSER_MODE -> multiuserConfig.summary =
-                    resources.getStringArray(R.array.multiuser_summary)[Config.get<Int>(key)]
-            Config.Key.SU_MNT_NS -> nsConfig.summary = resources
-                    .getStringArray(R.array.namespace_summary)[Config.get<Int>(key)]
+                    getString(R.string.request_timeout_summary, Config.suDefaultTimeout)
         }
     }
 
     private fun setSummary() {
-        setSummary(Config.Key.UPDATE_CHANNEL)
         setSummary(Config.Key.ROOT_ACCESS)
+        setSummary(Config.Key.SU_MULTIUSER_MODE)
+        setSummary(Config.Key.SU_MNT_NS)
+        setSummary(Config.Key.UPDATE_CHANNEL)
         setSummary(Config.Key.SU_AUTO_RESPONSE)
         setSummary(Config.Key.SU_NOTIFICATION)
         setSummary(Config.Key.SU_REQUEST_TIMEOUT)
-        setSummary(Config.Key.SU_MULTIUSER_MODE)
-        setSummary(Config.Key.SU_MNT_NS)
     }
 }
diff --git a/app/src/main/java/com/topjohnwu/magisk/ui/surequest/SuRequestViewModel.kt b/app/src/main/java/com/topjohnwu/magisk/ui/surequest/SuRequestViewModel.kt
index 38a7dd08d..77c735fee 100644
--- a/app/src/main/java/com/topjohnwu/magisk/ui/surequest/SuRequestViewModel.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/ui/surequest/SuRequestViewModel.kt
@@ -173,7 +173,7 @@ class SuRequestViewModel(
             return true
         }
 
-        when (Config.get<Int>(Config.Key.SU_AUTO_RESPONSE)) {
+        when (Config.suAutoReponse) {
             Config.Value.SU_AUTO_DENY -> {
                 handler?.handleAction(Policy.DENY, 0)
                 return true
@@ -190,8 +190,7 @@ class SuRequestViewModel(
 
     @SuppressLint("ClickableViewAccessibility")
     private fun showUI() {
-        val seconds = Config.get<Int>(Config.Key.SU_REQUEST_TIMEOUT).toLong()
-        val millis = SECONDS.toMillis(seconds)
+        val millis = SECONDS.toMillis(Config.suDefaultTimeout.toLong())
         timer = object : CountDownTimer(millis, 1000) {
             override fun onTick(remains: Long) {
                 denyText.value = "%s (%d)"
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/DownloadApp.java b/app/src/main/java/com/topjohnwu/magisk/utils/DownloadApp.java
index 39727e52d..f984ade12 100644
--- a/app/src/main/java/com/topjohnwu/magisk/utils/DownloadApp.java
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/DownloadApp.java
@@ -6,6 +6,7 @@ import com.topjohnwu.magisk.App;
 import com.topjohnwu.magisk.BuildConfig;
 import com.topjohnwu.magisk.ClassMap;
 import com.topjohnwu.magisk.Config;
+import com.topjohnwu.magisk.Info;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.ui.SplashActivity;
 import com.topjohnwu.magisk.view.ProgressNotification;
@@ -24,8 +25,8 @@ public class DownloadApp {
     }
 
     public static void restore() {
-        String name = Utils.fmt("MagiskManager v%s(%d)",
-                Config.remoteManagerVersionString, Config.remoteManagerVersionCode);
+        String name = Utils.INSTANCE.fmt("MagiskManager v%s(%d)",
+                Info.remoteManagerVersionString, Info.remoteManagerVersionCode);
         dlInstall(name, new RestoreManager());
     }
 
@@ -33,7 +34,7 @@ public class DownloadApp {
         File apk = new File(App.self.getCacheDir(), "manager.apk");
         ProgressNotification progress = new ProgressNotification(name);
         listener.progress = progress;
-        Networking.get(Config.managerLink)
+        Networking.get(Info.managerLink)
                 .setExecutor(App.THREAD_POOL)
                 .setDownloadProgressListener(progress)
                 .setErrorHandler((conn, e) -> progress.dlFail())
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/FingerprintHelper.java b/app/src/main/java/com/topjohnwu/magisk/utils/FingerprintHelper.java
deleted file mode 100644
index 122054fa8..000000000
--- a/app/src/main/java/com/topjohnwu/magisk/utils/FingerprintHelper.java
+++ /dev/null
@@ -1,124 +0,0 @@
-package com.topjohnwu.magisk.utils;
-
-import android.annotation.TargetApi;
-import android.app.KeyguardManager;
-import android.hardware.fingerprint.FingerprintManager;
-import android.os.Build;
-import android.os.CancellationSignal;
-import android.security.keystore.KeyGenParameterSpec;
-import android.security.keystore.KeyPermanentlyInvalidatedException;
-import android.security.keystore.KeyProperties;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.Const;
-
-import java.security.KeyStore;
-
-import javax.crypto.Cipher;
-import javax.crypto.KeyGenerator;
-import javax.crypto.SecretKey;
-
-@TargetApi(Build.VERSION_CODES.M)
-public abstract class FingerprintHelper {
-
-    private FingerprintManager manager;
-    private Cipher cipher;
-    private CancellationSignal cancel;
-    private static final String SU_KEYSTORE_KEY = "su_key";
-
-    public static boolean useFingerprint() {
-        boolean fp = Config.get(Config.Key.SU_FINGERPRINT);
-        if (fp && !canUseFingerprint()) {
-            Config.set(Config.Key.SU_FINGERPRINT, false);
-            fp = false;
-        }
-        return fp;
-    }
-
-    public static boolean canUseFingerprint() {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M)
-            return false;
-        KeyguardManager km = App.self.getSystemService(KeyguardManager.class);
-        FingerprintManager fm = App.self.getSystemService(FingerprintManager.class);
-        return km.isKeyguardSecure() && fm != null && fm.isHardwareDetected() && fm.hasEnrolledFingerprints();
-    }
-
-    protected FingerprintHelper() throws Exception {
-        KeyStore keyStore = KeyStore.getInstance("AndroidKeyStore");
-        manager = App.self.getSystemService(FingerprintManager.class);
-        cipher = Cipher.getInstance(KeyProperties.KEY_ALGORITHM_AES + "/"
-                + KeyProperties.BLOCK_MODE_CBC + "/"
-                + KeyProperties.ENCRYPTION_PADDING_PKCS7);
-        keyStore.load(null);
-        SecretKey key = (SecretKey) keyStore.getKey(SU_KEYSTORE_KEY, null);
-        if (key == null) {
-            key = generateKey();
-        }
-        try {
-            cipher.init(Cipher.ENCRYPT_MODE, key);
-        } catch (KeyPermanentlyInvalidatedException e) {
-            // Only happens on Marshmallow
-            key = generateKey();
-            cipher.init(Cipher.ENCRYPT_MODE, key);
-        }
-    }
-
-    public abstract void onAuthenticationError(int errorCode, CharSequence errString);
-
-    public abstract void onAuthenticationHelp(int helpCode, CharSequence helpString);
-
-    public abstract void onAuthenticationSucceeded(FingerprintManager.AuthenticationResult result);
-
-    public abstract void onAuthenticationFailed();
-
-    public void authenticate() {
-        cancel = new CancellationSignal();
-        FingerprintManager.CryptoObject cryptoObject = new FingerprintManager.CryptoObject(cipher);
-        manager.authenticate(cryptoObject, cancel, 0, new Callback(), null);
-    }
-
-    public void cancel() {
-        if (cancel != null)
-            cancel.cancel();
-    }
-
-    private SecretKey generateKey() throws Exception {
-        KeyGenerator keygen = KeyGenerator
-                .getInstance(KeyProperties.KEY_ALGORITHM_AES, "AndroidKeyStore");
-        KeyGenParameterSpec.Builder builder = new KeyGenParameterSpec.Builder(
-                SU_KEYSTORE_KEY,
-                KeyProperties.PURPOSE_ENCRYPT | KeyProperties.PURPOSE_DECRYPT)
-                .setBlockModes(KeyProperties.BLOCK_MODE_CBC)
-                .setUserAuthenticationRequired(true)
-                .setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_PKCS7);
-
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-            builder.setInvalidatedByBiometricEnrollment(false);
-        }
-        keygen.init(builder.build());
-        return keygen.generateKey();
-    }
-
-    private class Callback extends FingerprintManager.AuthenticationCallback {
-        @Override
-        public void onAuthenticationError(int errorCode, CharSequence errString) {
-            FingerprintHelper.this.onAuthenticationError(errorCode, errString);
-        }
-
-        @Override
-        public void onAuthenticationHelp(int helpCode, CharSequence helpString) {
-            FingerprintHelper.this.onAuthenticationHelp(helpCode, helpString);
-        }
-
-        @Override
-        public void onAuthenticationSucceeded(FingerprintManager.AuthenticationResult result) {
-            FingerprintHelper.this.onAuthenticationSucceeded(result);
-        }
-
-        @Override
-        public void onAuthenticationFailed() {
-            FingerprintHelper.this.onAuthenticationFailed();
-        }
-    }
-}
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/FingerprintHelper.kt b/app/src/main/java/com/topjohnwu/magisk/utils/FingerprintHelper.kt
new file mode 100644
index 000000000..63741cbb3
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/FingerprintHelper.kt
@@ -0,0 +1,119 @@
+package com.topjohnwu.magisk.utils
+
+import android.annotation.TargetApi
+import android.app.KeyguardManager
+import android.content.Context
+import android.hardware.fingerprint.FingerprintManager
+import android.os.Build
+import android.os.CancellationSignal
+import android.security.keystore.KeyGenParameterSpec
+import android.security.keystore.KeyProperties
+import com.topjohnwu.magisk.Config
+import java.security.KeyStore
+import javax.crypto.Cipher
+import javax.crypto.KeyGenerator
+import javax.crypto.SecretKey
+
+@TargetApi(Build.VERSION_CODES.M)
+abstract class FingerprintHelper @Throws(Exception::class)
+protected constructor() {
+
+    private val manager: FingerprintManager?
+    private val cipher: Cipher
+    private var cancel: CancellationSignal? = null
+    private val context: Context by inject()
+
+    init {
+        val keyStore = KeyStore.getInstance("AndroidKeyStore")
+        manager = context.getSystemService(FingerprintManager::class.java)
+        cipher = Cipher.getInstance(KeyProperties.KEY_ALGORITHM_AES + "/"
+                + KeyProperties.BLOCK_MODE_CBC + "/"
+                + KeyProperties.ENCRYPTION_PADDING_PKCS7)
+        keyStore.load(null)
+        var key = keyStore.getKey(SU_KEYSTORE_KEY, null) as SecretKey? ?: generateKey()
+        runCatching {
+            cipher.init(Cipher.ENCRYPT_MODE, key)
+        }.onFailure {
+            // Only happens on Marshmallow
+            key = generateKey()
+            cipher.init(Cipher.ENCRYPT_MODE, key)
+        }
+    }
+
+    abstract fun onAuthenticationError(errorCode: Int, errString: CharSequence)
+
+    abstract fun onAuthenticationHelp(helpCode: Int, helpString: CharSequence)
+
+    abstract fun onAuthenticationSucceeded(result: FingerprintManager.AuthenticationResult)
+
+    abstract fun onAuthenticationFailed()
+
+    fun authenticate() {
+        cancel = CancellationSignal()
+        val cryptoObject = FingerprintManager.CryptoObject(cipher)
+        manager!!.authenticate(cryptoObject, cancel, 0, Callback(), null)
+    }
+
+    fun cancel() {
+        if (cancel != null)
+            cancel!!.cancel()
+    }
+
+    @Throws(Exception::class)
+    private fun generateKey(): SecretKey {
+        val keygen = KeyGenerator
+                .getInstance(KeyProperties.KEY_ALGORITHM_AES, "AndroidKeyStore")
+        val builder = KeyGenParameterSpec.Builder(
+                SU_KEYSTORE_KEY,
+                KeyProperties.PURPOSE_ENCRYPT or KeyProperties.PURPOSE_DECRYPT)
+                .setBlockModes(KeyProperties.BLOCK_MODE_CBC)
+                .setUserAuthenticationRequired(true)
+                .setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_PKCS7)
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            builder.setInvalidatedByBiometricEnrollment(false)
+        }
+        keygen.init(builder.build())
+        return keygen.generateKey()
+    }
+
+    private inner class Callback : FingerprintManager.AuthenticationCallback() {
+        override fun onAuthenticationError(errorCode: Int, errString: CharSequence) {
+            this@FingerprintHelper.onAuthenticationError(errorCode, errString)
+        }
+
+        override fun onAuthenticationHelp(helpCode: Int, helpString: CharSequence) {
+            this@FingerprintHelper.onAuthenticationHelp(helpCode, helpString)
+        }
+
+        override fun onAuthenticationSucceeded(result: FingerprintManager.AuthenticationResult) {
+            this@FingerprintHelper.onAuthenticationSucceeded(result)
+        }
+
+        override fun onAuthenticationFailed() {
+            this@FingerprintHelper.onAuthenticationFailed()
+        }
+    }
+
+    companion object {
+        private const val SU_KEYSTORE_KEY = "su_key"
+
+        fun useFingerprint(): Boolean {
+            var fp = Config.suFingerprint
+            if (fp && !canUseFingerprint()) {
+                Config.suFingerprint = false
+                fp = false
+            }
+            return fp
+        }
+
+        fun canUseFingerprint(context: Context = get()): Boolean {
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M)
+                return false
+            val km = context.getSystemService(KeyguardManager::class.java)
+            val fm = context.getSystemService(FingerprintManager::class.java)
+            return km?.isKeyguardSecure ?: false &&
+                    fm != null && fm.isHardwareDetected && fm.hasEnrolledFingerprints()
+        }
+    }
+}
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/LocaleManager.kt b/app/src/main/java/com/topjohnwu/magisk/utils/LocaleManager.kt
index 692adccbb..c1c03b6a4 100644
--- a/app/src/main/java/com/topjohnwu/magisk/utils/LocaleManager.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/LocaleManager.kt
@@ -107,9 +107,9 @@ object LocaleManager {
 
     @JvmStatic
     fun setLocale(wrapper: ContextWrapper) {
-        val localeConfig = Config.get<String>(Config.Key.LOCALE)
+        val localeConfig = Config.locale
         locale = when {
-            localeConfig.isNullOrEmpty() -> defaultLocale
+            localeConfig.isEmpty() -> defaultLocale
             else -> forLanguageTag(localeConfig)
         }
         Locale.setDefault(locale)
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/Logger.java b/app/src/main/java/com/topjohnwu/magisk/utils/Logger.java
index 68756e91a..8bd790d36 100644
--- a/app/src/main/java/com/topjohnwu/magisk/utils/Logger.java
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/Logger.java
@@ -13,7 +13,7 @@ public class Logger {
     }
 
     public static void debug(String fmt, Object... args) {
-        debug(Utils.fmt(fmt, args));
+        debug(Utils.INSTANCE.fmt(fmt, args));
     }
 
     public static void error(String line) {
@@ -21,6 +21,6 @@ public class Logger {
     }
 
     public static void error(String fmt, Object... args) {
-        error(Utils.fmt(fmt, args));
+        error(Utils.INSTANCE.fmt(fmt, args));
     }
 }
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/PatchAPK.java b/app/src/main/java/com/topjohnwu/magisk/utils/PatchAPK.java
index 13e6f65bf..042444a16 100644
--- a/app/src/main/java/com/topjohnwu/magisk/utils/PatchAPK.java
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/PatchAPK.java
@@ -3,6 +3,8 @@ package com.topjohnwu.magisk.utils;
 import android.content.ComponentName;
 import android.widget.Toast;
 
+import androidx.core.app.NotificationCompat;
+
 import com.topjohnwu.magisk.App;
 import com.topjohnwu.magisk.BuildConfig;
 import com.topjohnwu.magisk.ClassMap;
@@ -27,8 +29,6 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.jar.JarEntry;
 
-import androidx.core.app.NotificationCompat;
-
 public class PatchAPK {
 
     public static final String LOWERALPHA = "abcdefghijklmnopqrstuvwxyz";
@@ -110,7 +110,7 @@ public class PatchAPK {
         if (!Shell.su("pm install " + repack).exec().isSuccess())
             return false;
 
-        Config.set(Config.Key.SU_MANAGER, pkg);
+        Config.setSuManager(pkg);
         Config.export();
         RootUtils.rmAndLaunch(BuildConfig.APPLICATION_ID,
                 new ComponentName(pkg, ClassMap.get(SplashActivity.class).getName()));
@@ -145,7 +145,7 @@ public class PatchAPK {
                     Notifications.progress(app.getString(R.string.hide_manager_title));
             Notifications.mgr.notify(Const.ID.HIDE_MANAGER_NOTIFICATION_ID, progress.build());
             if(!patchAndHide())
-                Utils.toast(R.string.hide_manager_fail_toast, Toast.LENGTH_LONG);
+                Utils.INSTANCE.toast(R.string.hide_manager_fail_toast, Toast.LENGTH_LONG);
             Notifications.mgr.cancel(Const.ID.HIDE_MANAGER_NOTIFICATION_ID);
         });
     }
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/RootUtils.kt b/app/src/main/java/com/topjohnwu/magisk/utils/RootUtils.kt
index 5a1716931..fe8d0c9e8 100644
--- a/app/src/main/java/com/topjohnwu/magisk/utils/RootUtils.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/RootUtils.kt
@@ -4,8 +4,8 @@ import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
-import com.topjohnwu.magisk.Config
 import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.Info
 import com.topjohnwu.magisk.R
 import com.topjohnwu.superuser.Shell
 import com.topjohnwu.superuser.ShellUtils
@@ -132,7 +132,7 @@ class RootUtils : Shell.Initializer() {
             job.add(context.rawResource(R.raw.util_functions))
                     .add(context.rawResource(R.raw.utils))
             Const.MAGISK_DISABLE_FILE = SuFile("/cache/.disable_magisk")
-            Config.loadMagiskInfo()
+            Info.loadMagiskInfo()
         } else {
             job.add(context.rawResource(R.raw.nonroot_utils))
         }
@@ -143,9 +143,9 @@ class RootUtils : Shell.Initializer() {
                 "export BOOTMODE=true")
                 .exec()
 
-        Config.keepVerity = ShellUtils.fastCmd("echo \$KEEPVERITY").toBoolean()
-        Config.keepEnc = ShellUtils.fastCmd("echo \$KEEPFORCEENCRYPT").toBoolean()
-        Config.recovery = ShellUtils.fastCmd("echo \$RECOVERYMODE").toBoolean()
+        Info.keepVerity = ShellUtils.fastCmd("echo \$KEEPVERITY").toBoolean()
+        Info.keepEnc = ShellUtils.fastCmd("echo \$KEEPFORCEENCRYPT").toBoolean()
+        Info.recovery = ShellUtils.fastCmd("echo \$RECOVERYMODE").toBoolean()
         return true
     }
 
@@ -158,7 +158,7 @@ class RootUtils : Shell.Initializer() {
 
         @JvmStatic
         fun reboot() {
-            Shell.su("/system/bin/reboot ${if (Config.recovery) "recovery" else ""}").submit()
+            Shell.su("/system/bin/reboot ${if (Info.recovery) "recovery" else ""}").submit()
         }
     }
 }
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/SuLogger.kt b/app/src/main/java/com/topjohnwu/magisk/utils/SuLogger.kt
index a7374bbe4..71fd12c79 100644
--- a/app/src/main/java/com/topjohnwu/magisk/utils/SuLogger.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/SuLogger.kt
@@ -1,10 +1,10 @@
 package com.topjohnwu.magisk.utils
 
+import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
 import android.os.Process
 import android.widget.Toast
-import com.topjohnwu.magisk.App
 import com.topjohnwu.magisk.Config
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.data.repository.AppRepository
@@ -17,6 +17,8 @@ import java.util.*
 
 object SuLogger {
 
+    private val context: Context by inject()
+
     @JvmStatic
     fun handleLogs(intent: Intent) {
 
@@ -66,9 +68,9 @@ object SuLogger {
     }
 
     private fun handleNotify(policy: MagiskPolicy) {
-        if (policy.notification && Config.get<Any>(Config.Key.SU_NOTIFICATION) as Int == Config.Value.NOTIFICATION_TOAST) {
+        if (policy.notification && Config.suNotification == Config.Value.NOTIFICATION_TOAST) {
             Utils.toast(
-                App.self.getString(
+                context.getString(
                     if (policy.policy == Policy.ALLOW)
                         R.string.su_allow_toast
                     else
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/Utils.java b/app/src/main/java/com/topjohnwu/magisk/utils/Utils.java
deleted file mode 100644
index 0a513e1df..000000000
--- a/app/src/main/java/com/topjohnwu/magisk/utils/Utils.java
+++ /dev/null
@@ -1,142 +0,0 @@
-package com.topjohnwu.magisk.utils;
-
-import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageManager;
-import android.content.res.Configuration;
-import android.content.res.Resources;
-import android.net.Uri;
-import android.widget.Toast;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.BuildConfig;
-import com.topjohnwu.magisk.ClassMap;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.model.entity.OldModule;
-import com.topjohnwu.magisk.model.update.UpdateCheckService;
-import com.topjohnwu.net.Networking;
-import com.topjohnwu.superuser.Shell;
-import com.topjohnwu.superuser.internal.UiThreadHandler;
-import com.topjohnwu.superuser.io.SuFile;
-
-import java.util.Locale;
-import java.util.Map;
-import java.util.concurrent.TimeUnit;
-
-import androidx.annotation.WorkerThread;
-import androidx.work.Constraints;
-import androidx.work.ExistingPeriodicWorkPolicy;
-import androidx.work.ListenableWorker;
-import androidx.work.NetworkType;
-import androidx.work.PeriodicWorkRequest;
-import androidx.work.WorkManager;
-
-public class Utils {
-
-    public static void toast(CharSequence msg, int duration) {
-        UiThreadHandler.run(() -> Toast.makeText(App.self, msg, duration).show());
-    }
-
-    public static void toast(int resId, int duration) {
-        UiThreadHandler.run(() -> Toast.makeText(App.self, resId, duration).show());
-    }
-
-    public static String dlString(String url) {
-        String s = Networking.get(url).execForString().getResult();
-        return s == null ? "" : s;
-    }
-
-    public static int getPrefsInt(SharedPreferences prefs, String key, int def) {
-        return Integer.parseInt(prefs.getString(key, String.valueOf(def)));
-    }
-
-    public static int getPrefsInt(SharedPreferences prefs, String key) {
-        return getPrefsInt(prefs, key, 0);
-    }
-
-    public static int dpInPx(int dp) {
-        float scale = App.self.getResources().getDisplayMetrics().density;
-        return (int) (dp * scale + 0.5);
-    }
-
-    public static String fmt(String fmt, Object... args) {
-        return String.format(Locale.US, fmt, args);
-    }
-
-    public static String getAppLabel(ApplicationInfo info, PackageManager pm) {
-        try {
-            if (info.labelRes > 0) {
-                Resources res = pm.getResourcesForApplication(info);
-                Configuration config = new Configuration();
-                config.setLocale(LocaleManager.getLocale());
-                res.updateConfiguration(config, res.getDisplayMetrics());
-                return res.getString(info.labelRes);
-            }
-        } catch (Exception ignored) {}
-        return info.loadLabel(pm).toString();
-    }
-
-    public static String getLegalFilename(CharSequence filename) {
-        return filename.toString().replace(" ", "_").replace("'", "").replace("\"", "")
-                .replace("$", "").replace("`", "").replace("*", "").replace("/", "_")
-                .replace("#", "").replace("@", "").replace("\\", "_");
-    }
-
-    @WorkerThread
-    public static Map<String, OldModule> loadModulesLeanback() {
-        final Map<String, OldModule> moduleMap = new ValueSortedMap<>();
-        final SuFile path = new SuFile(Const.MAGISK_PATH);
-        final SuFile[] modules = path.listFiles((file, name) ->
-                !name.equals("lost+found") && !name.equals(".core")
-        );
-        for (SuFile file : modules) {
-            if (file.isFile()) continue;
-            OldModule module = new OldModule(Const.MAGISK_PATH + "/" + file.getName());
-            moduleMap.put(module.getId(), module);
-        }
-        return moduleMap;
-    }
-
-    public static boolean showSuperUser() {
-        return Shell.rootAccess() && (Const.USER_ID == 0 ||
-                (int) Config.get(Config.Key.SU_MULTIUSER_MODE) !=
-                        Config.Value.MULTIUSER_MODE_OWNER_MANAGED);
-    }
-
-    public static boolean isCanary() {
-        return BuildConfig.VERSION_NAME.contains("-");
-    }
-
-    public static void scheduleUpdateCheck() {
-        if (Config.get(Config.Key.CHECK_UPDATES)) {
-            Constraints constraints = new Constraints.Builder()
-                    .setRequiredNetworkType(NetworkType.CONNECTED)
-                    .setRequiresDeviceIdle(true)
-                    .build();
-            PeriodicWorkRequest request = new PeriodicWorkRequest
-                    .Builder(ClassMap.get(UpdateCheckService.class), 12, TimeUnit.HOURS)
-                    .setConstraints(constraints)
-                    .build();
-            WorkManager.getInstance().enqueueUniquePeriodicWork(
-                    Const.ID.CHECK_MAGISK_UPDATE_WORKER_ID,
-                    ExistingPeriodicWorkPolicy.REPLACE, request);
-        } else {
-            WorkManager.getInstance().cancelUniqueWork(Const.ID.CHECK_MAGISK_UPDATE_WORKER_ID);
-        }
-    }
-
-    public static void openLink(Context context, Uri link) {
-        Intent intent = new Intent(Intent.ACTION_VIEW, link);
-        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        if (intent.resolveActivity(context.getPackageManager()) != null) {
-            context.startActivity(intent);
-        } else {
-            toast(R.string.open_link_failed_toast, Toast.LENGTH_SHORT);
-        }
-    }
-
-}
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/Utils.kt b/app/src/main/java/com/topjohnwu/magisk/utils/Utils.kt
new file mode 100644
index 000000000..92616041f
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/Utils.kt
@@ -0,0 +1,123 @@
+package com.topjohnwu.magisk.utils
+
+import android.content.Context
+import android.content.Intent
+import android.content.SharedPreferences
+import android.content.pm.ApplicationInfo
+import android.content.pm.PackageManager
+import android.content.res.Configuration
+import android.content.res.Resources
+import android.net.Uri
+import android.widget.Toast
+import androidx.annotation.WorkerThread
+import androidx.work.*
+import com.topjohnwu.magisk.*
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.model.entity.OldModule
+import com.topjohnwu.magisk.model.update.UpdateCheckService
+import com.topjohnwu.net.Networking
+import com.topjohnwu.superuser.Shell
+import com.topjohnwu.superuser.internal.UiThreadHandler
+import com.topjohnwu.superuser.io.SuFile
+import java.util.*
+import java.util.concurrent.TimeUnit
+
+object Utils {
+
+    val isCanary: Boolean
+        get() = BuildConfig.VERSION_NAME.contains("-")
+
+    fun toast(msg: CharSequence, duration: Int) {
+        UiThreadHandler.run { Toast.makeText(get(), msg, duration).show() }
+    }
+
+    fun toast(resId: Int, duration: Int) {
+        UiThreadHandler.run { Toast.makeText(get(), resId, duration).show() }
+    }
+
+    fun dlString(url: String): String {
+        val s = Networking.get(url).execForString().result
+        return s ?: ""
+    }
+
+    fun getPrefsInt(prefs: SharedPreferences, key: String, def: Int = 0): Int {
+        return prefs.getString(key, def.toString())!!.toInt()
+    }
+
+    fun dpInPx(dp: Int): Int {
+        val scale = get<Resources>().displayMetrics.density
+        return (dp * scale + 0.5).toInt()
+    }
+
+    fun fmt(fmt: String, vararg args: Any): String {
+        return String.format(Locale.US, fmt, *args)
+    }
+
+    fun getAppLabel(info: ApplicationInfo, pm: PackageManager): String {
+        try {
+            if (info.labelRes > 0) {
+                val res = pm.getResourcesForApplication(info)
+                val config = Configuration()
+                config.setLocale(LocaleManager.locale)
+                res.updateConfiguration(config, res.displayMetrics)
+                return res.getString(info.labelRes)
+            }
+        } catch (ignored: Exception) {
+        }
+
+        return info.loadLabel(pm).toString()
+    }
+
+    fun getLegalFilename(filename: CharSequence): String {
+        return filename.toString().replace(" ", "_").replace("'", "").replace("\"", "")
+                .replace("$", "").replace("`", "").replace("*", "").replace("/", "_")
+                .replace("#", "").replace("@", "").replace("\\", "_")
+    }
+
+    @WorkerThread
+    fun loadModulesLeanback(): Map<String, OldModule> {
+        val moduleMap = ValueSortedMap<String, OldModule>()
+        val path = SuFile(Const.MAGISK_PATH)
+        val modules = path.listFiles { _, name -> name != "lost+found" && name != ".core" }
+        for (file in modules!!) {
+            if (file.isFile) continue
+            val module = OldModule(Const.MAGISK_PATH + "/" + file.name)
+            moduleMap[module.id] = module
+        }
+        return moduleMap
+    }
+
+    fun showSuperUser(): Boolean {
+        return Shell.rootAccess() && (Const.USER_ID == 0
+                || Config.suMultiuserMode != Config.Value.MULTIUSER_MODE_OWNER_MANAGED)
+    }
+
+    fun scheduleUpdateCheck() {
+        if (Config.checkUpdate) {
+            val constraints = Constraints.Builder()
+                    .setRequiredNetworkType(NetworkType.CONNECTED)
+                    .setRequiresDeviceIdle(true)
+                    .build()
+            val request = PeriodicWorkRequest
+                    .Builder(ClassMap[UpdateCheckService::class.java], 12, TimeUnit.HOURS)
+                    .setConstraints(constraints)
+                    .build()
+            WorkManager.getInstance().enqueueUniquePeriodicWork(
+                    Const.ID.CHECK_MAGISK_UPDATE_WORKER_ID,
+                    ExistingPeriodicWorkPolicy.REPLACE, request)
+        } else {
+            WorkManager.getInstance().cancelUniqueWork(Const.ID.CHECK_MAGISK_UPDATE_WORKER_ID)
+        }
+    }
+
+    fun openLink(context: Context, link: Uri) {
+        val intent = Intent(Intent.ACTION_VIEW, link)
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+        if (intent.resolveActivity(context.packageManager) != null) {
+            context.startActivity(intent)
+        } else {
+            toast(R.string.open_link_failed_toast, Toast.LENGTH_SHORT)
+        }
+    }
+
+}
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/XNetwork.kt b/app/src/main/java/com/topjohnwu/magisk/utils/XNetwork.kt
index f6bbede0b..7548c2274 100644
--- a/app/src/main/java/com/topjohnwu/magisk/utils/XNetwork.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/XNetwork.kt
@@ -1,12 +1,6 @@
 package com.topjohnwu.magisk.utils
 
 import android.content.Context
-import android.content.Intent
-import androidx.browser.customtabs.CustomTabsIntent
-import androidx.core.content.ContextCompat
-import androidx.core.net.toUri
-import com.topjohnwu.magisk.KConfig
-import com.topjohnwu.magisk.R
 import okhttp3.ResponseBody
 import java.io.File
 
@@ -19,36 +13,3 @@ fun ResponseBody.writeToFile(context: Context, fileName: String): File {
 }
 
 fun ResponseBody.writeToString() = string()
-
-fun String.launch() = if (KConfig.useCustomTabs) {
-    launchWithCustomTabs()
-} else {
-    launchWithIntent()
-}
-
-
-private fun String.launchWithCustomTabs() {
-    val context: Context by inject()
-    val primaryColor = ContextCompat.getColor(context, R.color.colorPrimary)
-    val secondaryColor = ContextCompat.getColor(context, R.color.colorSecondary)
-
-    CustomTabsIntent.Builder()
-        .enableUrlBarHiding()
-        .setShowTitle(true)
-        .setToolbarColor(primaryColor)
-        .setSecondaryToolbarColor(secondaryColor)
-        .build()
-        .apply { intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK }
-        .launchUrl(context, this.toUri())
-}
-
-private fun String.launchWithIntent() {
-    val context: Context by inject()
-
-    Intent(Intent.ACTION_VIEW)
-        .apply {
-            data = toUri()
-            flags = Intent.FLAG_ACTIVITY_NEW_TASK
-        }
-        .startActivity(context)
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/view/MarkDownWindow.java b/app/src/main/java/com/topjohnwu/magisk/view/MarkDownWindow.java
index 9e4017424..8a7b4f244 100644
--- a/app/src/main/java/com/topjohnwu/magisk/view/MarkDownWindow.java
+++ b/app/src/main/java/com/topjohnwu/magisk/view/MarkDownWindow.java
@@ -5,6 +5,8 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.TextView;
 
+import androidx.appcompat.app.AlertDialog;
+
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.net.Networking;
 import com.topjohnwu.net.ResponseListener;
@@ -12,7 +14,6 @@ import com.topjohnwu.net.ResponseListener;
 import java.io.InputStream;
 import java.util.Scanner;
 
-import androidx.appcompat.app.AlertDialog;
 import ru.noties.markwon.Markwon;
 import ru.noties.markwon.html.HtmlPlugin;
 import ru.noties.markwon.image.ImagesPlugin;
diff --git a/app/src/main/java/com/topjohnwu/magisk/view/Notifications.java b/app/src/main/java/com/topjohnwu/magisk/view/Notifications.java
index 244c51b25..3b01372bb 100644
--- a/app/src/main/java/com/topjohnwu/magisk/view/Notifications.java
+++ b/app/src/main/java/com/topjohnwu/magisk/view/Notifications.java
@@ -7,19 +7,19 @@ import android.content.Context;
 import android.content.Intent;
 import android.os.Build;
 
+import androidx.core.app.NotificationCompat;
+import androidx.core.app.NotificationManagerCompat;
+import androidx.core.app.TaskStackBuilder;
+
 import com.topjohnwu.magisk.App;
 import com.topjohnwu.magisk.ClassMap;
-import com.topjohnwu.magisk.Config;
 import com.topjohnwu.magisk.Const;
+import com.topjohnwu.magisk.Info;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.model.receiver.GeneralReceiver;
 import com.topjohnwu.magisk.ui.SplashActivity;
 import com.topjohnwu.magisk.utils.Utils;
 
-import androidx.core.app.NotificationCompat;
-import androidx.core.app.NotificationManagerCompat;
-import androidx.core.app.TaskStackBuilder;
-
 public class Notifications {
 
     public static NotificationManagerCompat mgr = NotificationManagerCompat.from(App.self);
@@ -62,12 +62,12 @@ public class Notifications {
 
     public static void managerUpdate() {
         App app = App.self;
-        String name = Utils.fmt("MagiskManager v%s(%d)",
-                Config.remoteManagerVersionString, Config.remoteManagerVersionCode);
+        String name = Utils.INSTANCE.fmt("MagiskManager v%s(%d)",
+                Info.remoteManagerVersionString, Info.remoteManagerVersionCode);
 
         Intent intent = new Intent(app, ClassMap.get(GeneralReceiver.class));
         intent.setAction(Const.Key.BROADCAST_MANAGER_UPDATE);
-        intent.putExtra(Const.Key.INTENT_SET_LINK, Config.managerLink);
+        intent.putExtra(Const.Key.INTENT_SET_LINK, Info.managerLink);
         intent.putExtra(Const.Key.INTENT_SET_NAME, name);
         PendingIntent pendingIntent = PendingIntent.getBroadcast(app,
                 Const.ID.APK_UPDATE_NOTIFICATION_ID, intent, PendingIntent.FLAG_UPDATE_CURRENT);
diff --git a/app/src/main/java/com/topjohnwu/magisk/view/ProgressNotification.java b/app/src/main/java/com/topjohnwu/magisk/view/ProgressNotification.java
index a7ff7721d..282b66b97 100644
--- a/app/src/main/java/com/topjohnwu/magisk/view/ProgressNotification.java
+++ b/app/src/main/java/com/topjohnwu/magisk/view/ProgressNotification.java
@@ -5,13 +5,13 @@ import android.app.PendingIntent;
 import android.content.Intent;
 import android.widget.Toast;
 
+import androidx.core.app.NotificationCompat;
+
 import com.topjohnwu.magisk.App;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.utils.Utils;
 import com.topjohnwu.net.DownloadProgressListener;
 
-import androidx.core.app.NotificationCompat;
-
 public class ProgressNotification implements DownloadProgressListener {
 
     private NotificationCompat.Builder builder;
@@ -22,7 +22,7 @@ public class ProgressNotification implements DownloadProgressListener {
         builder = Notifications.progress(title);
         prevTime = System.currentTimeMillis();
         update();
-        Utils.toast(App.self.getString(R.string.downloading_toast, title), Toast.LENGTH_SHORT);
+        Utils.INSTANCE.toast(App.self.getString(R.string.downloading_toast, title), Toast.LENGTH_SHORT);
     }
 
     @Override
diff --git a/app/src/main/java/com/topjohnwu/magisk/view/Shortcuts.java b/app/src/main/java/com/topjohnwu/magisk/view/Shortcuts.java
deleted file mode 100644
index ba841564c..000000000
--- a/app/src/main/java/com/topjohnwu/magisk/view/Shortcuts.java
+++ /dev/null
@@ -1,79 +0,0 @@
-package com.topjohnwu.magisk.view;
-
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.ShortcutInfo;
-import android.content.pm.ShortcutManager;
-import android.graphics.drawable.Icon;
-import android.os.Build;
-
-import com.topjohnwu.magisk.ClassMap;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.ui.SplashActivity;
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.superuser.Shell;
-
-import java.util.ArrayList;
-
-import androidx.annotation.RequiresApi;
-
-public class Shortcuts {
-
-    public static void setup(Context context) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1) {
-            ShortcutManager manager = context.getSystemService(ShortcutManager.class);
-            manager.setDynamicShortcuts(getShortCuts(context));
-        }
-    }
-
-    @RequiresApi(api = Build.VERSION_CODES.N_MR1)
-    private static ArrayList<ShortcutInfo> getShortCuts(Context context) {
-        ArrayList<ShortcutInfo> shortCuts = new ArrayList<>();
-        boolean root = Shell.rootAccess();
-        if (Utils.showSuperUser()) {
-            shortCuts.add(new ShortcutInfo.Builder(context, "superuser")
-                    .setShortLabel(context.getString(R.string.superuser))
-                    .setIntent(new Intent(context, ClassMap.get(SplashActivity.class))
-                            .putExtra(Const.Key.OPEN_SECTION, "superuser")
-                            .setAction(Intent.ACTION_VIEW)
-                            .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK))
-                    .setIcon(Icon.createWithResource(context, R.drawable.sc_superuser))
-                    .setRank(0)
-                    .build());
-        }
-        if (root && (boolean) Config.get(Config.Key.MAGISKHIDE)) {
-            shortCuts.add(new ShortcutInfo.Builder(context, "magiskhide")
-                    .setShortLabel(context.getString(R.string.magiskhide))
-                    .setIntent(new Intent(context, ClassMap.get(SplashActivity.class))
-                            .putExtra(Const.Key.OPEN_SECTION, "magiskhide")
-                            .setAction(Intent.ACTION_VIEW)
-                            .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK))
-                    .setIcon(Icon.createWithResource(context, R.drawable.sc_magiskhide))
-                    .setRank(1)
-                    .build());
-        }
-        if (!(boolean) Config.get(Config.Key.COREONLY) && root && Config.magiskVersionCode >= 0) {
-            shortCuts.add(new ShortcutInfo.Builder(context, "modules")
-                    .setShortLabel(context.getString(R.string.modules))
-                    .setIntent(new Intent(context, ClassMap.get(SplashActivity.class))
-                            .putExtra(Const.Key.OPEN_SECTION, "modules")
-                            .setAction(Intent.ACTION_VIEW)
-                            .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK))
-                    .setIcon(Icon.createWithResource(context, R.drawable.sc_extension))
-                    .setRank(3)
-                    .build());
-            shortCuts.add(new ShortcutInfo.Builder(context, "downloads")
-                    .setShortLabel(context.getString(R.string.downloads))
-                    .setIntent(new Intent(context, ClassMap.get(SplashActivity.class))
-                            .putExtra(Const.Key.OPEN_SECTION, "downloads")
-                            .setAction(Intent.ACTION_VIEW)
-                            .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK))
-                    .setIcon(Icon.createWithResource(context, R.drawable.sc_cloud_download))
-                    .setRank(2)
-                    .build());
-        }
-        return shortCuts;
-    }
-}
diff --git a/app/src/main/java/com/topjohnwu/magisk/view/Shortcuts.kt b/app/src/main/java/com/topjohnwu/magisk/view/Shortcuts.kt
new file mode 100644
index 000000000..a97720bb8
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/view/Shortcuts.kt
@@ -0,0 +1,72 @@
+package com.topjohnwu.magisk.view
+
+import android.content.Context
+import android.content.Intent
+import android.content.pm.ShortcutInfo
+import android.content.pm.ShortcutManager
+import android.graphics.drawable.Icon
+import android.os.Build
+import androidx.annotation.RequiresApi
+import com.topjohnwu.magisk.*
+import com.topjohnwu.magisk.ui.SplashActivity
+import com.topjohnwu.magisk.utils.Utils
+import com.topjohnwu.superuser.Shell
+
+object Shortcuts {
+
+    fun setup(context: Context) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1) {
+            val manager = context.getSystemService(ShortcutManager::class.java)
+            manager?.dynamicShortcuts = getShortCuts(context)
+        }
+    }
+
+    @RequiresApi(api = Build.VERSION_CODES.N_MR1)
+    private fun getShortCuts(context: Context): List<ShortcutInfo> {
+        val shortCuts = mutableListOf<ShortcutInfo>()
+        val root = Shell.rootAccess()
+        if (Utils.showSuperUser()) {
+            shortCuts.add(ShortcutInfo.Builder(context, "superuser")
+                    .setShortLabel(context.getString(R.string.superuser))
+                    .setIntent(Intent(context, ClassMap[SplashActivity::class.java])
+                            .putExtra(Const.Key.OPEN_SECTION, "superuser")
+                            .setAction(Intent.ACTION_VIEW)
+                            .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK))
+                    .setIcon(Icon.createWithResource(context, R.drawable.sc_superuser))
+                    .setRank(0)
+                    .build())
+        }
+        if (root && Config.magiskHide) {
+            shortCuts.add(ShortcutInfo.Builder(context, "magiskhide")
+                    .setShortLabel(context.getString(R.string.magiskhide))
+                    .setIntent(Intent(context, ClassMap[SplashActivity::class.java])
+                            .putExtra(Const.Key.OPEN_SECTION, "magiskhide")
+                            .setAction(Intent.ACTION_VIEW)
+                            .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK))
+                    .setIcon(Icon.createWithResource(context, R.drawable.sc_magiskhide))
+                    .setRank(1)
+                    .build())
+        }
+        if (!Config.coreOnly && root && Info.magiskVersionCode >= 0) {
+            shortCuts.add(ShortcutInfo.Builder(context, "modules")
+                    .setShortLabel(context.getString(R.string.modules))
+                    .setIntent(Intent(context, ClassMap[SplashActivity::class.java])
+                            .putExtra(Const.Key.OPEN_SECTION, "modules")
+                            .setAction(Intent.ACTION_VIEW)
+                            .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK))
+                    .setIcon(Icon.createWithResource(context, R.drawable.sc_extension))
+                    .setRank(3)
+                    .build())
+            shortCuts.add(ShortcutInfo.Builder(context, "downloads")
+                    .setShortLabel(context.getString(R.string.downloads))
+                    .setIntent(Intent(context, ClassMap[SplashActivity::class.java])
+                            .putExtra(Const.Key.OPEN_SECTION, "downloads")
+                            .setAction(Intent.ACTION_VIEW)
+                            .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK))
+                    .setIcon(Icon.createWithResource(context, R.drawable.sc_cloud_download))
+                    .setRank(2)
+                    .build())
+        }
+        return shortCuts
+    }
+}
diff --git a/app/src/main/java/com/topjohnwu/magisk/view/dialogs/EnvFixDialog.java b/app/src/main/java/com/topjohnwu/magisk/view/dialogs/EnvFixDialog.java
index 95e1364b6..de4931acf 100644
--- a/app/src/main/java/com/topjohnwu/magisk/view/dialogs/EnvFixDialog.java
+++ b/app/src/main/java/com/topjohnwu/magisk/view/dialogs/EnvFixDialog.java
@@ -4,6 +4,8 @@ import android.app.Activity;
 import android.app.ProgressDialog;
 import android.widget.Toast;
 
+import androidx.annotation.NonNull;
+
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.tasks.MagiskInstaller;
 import com.topjohnwu.magisk.utils.RootUtils;
@@ -12,8 +14,6 @@ import com.topjohnwu.superuser.Shell;
 import com.topjohnwu.superuser.internal.UiThreadHandler;
 import com.topjohnwu.superuser.io.SuFile;
 
-import androidx.annotation.NonNull;
-
 public class EnvFixDialog extends CustomAlertDialog {
 
     public EnvFixDialog(@NonNull Activity activity) {
@@ -36,7 +36,7 @@ public class EnvFixDialog extends CustomAlertDialog {
                 @Override
                 protected void onResult(boolean success) {
                     pd.dismiss();
-                    Utils.toast(success ? R.string.reboot_delay_toast : R.string.setup_fail, Toast.LENGTH_LONG);
+                    Utils.INSTANCE.toast(success ? R.string.reboot_delay_toast : R.string.setup_fail, Toast.LENGTH_LONG);
                     if (success)
                         UiThreadHandler.handler.postDelayed(RootUtils::reboot, 5000);
                 }
diff --git a/app/src/main/java/com/topjohnwu/magisk/view/dialogs/FingerprintAuthDialog.java b/app/src/main/java/com/topjohnwu/magisk/view/dialogs/FingerprintAuthDialog.java
index bd0fd0ad6..e429b80bf 100644
--- a/app/src/main/java/com/topjohnwu/magisk/view/dialogs/FingerprintAuthDialog.java
+++ b/app/src/main/java/com/topjohnwu/magisk/view/dialogs/FingerprintAuthDialog.java
@@ -11,14 +11,14 @@ import android.os.Build;
 import android.view.Gravity;
 import android.widget.Toast;
 
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.utils.FingerprintHelper;
-import com.topjohnwu.magisk.utils.Utils;
-
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 
+import com.topjohnwu.magisk.R;
+import com.topjohnwu.magisk.utils.FingerprintHelper;
+import com.topjohnwu.magisk.utils.Utils;
+
 @TargetApi(Build.VERSION_CODES.M)
 public class FingerprintAuthDialog extends CustomAlertDialog {
 
@@ -31,13 +31,13 @@ public class FingerprintAuthDialog extends CustomAlertDialog {
         super(activity);
         callback = onSuccess;
         Drawable fingerprint = activity.getResources().getDrawable(R.drawable.ic_fingerprint);
-        fingerprint.setBounds(0, 0, Utils.dpInPx(50), Utils.dpInPx(50));
+        fingerprint.setBounds(0, 0, Utils.INSTANCE.dpInPx(50), Utils.INSTANCE.dpInPx(50));
         Resources.Theme theme = activity.getTheme();
         TypedArray ta = theme.obtainStyledAttributes(new int[] {R.attr.imageColorTint});
         fingerprint.setTint(ta.getColor(0, Color.GRAY));
         ta.recycle();
         binding.message.setCompoundDrawables(null, null, null, fingerprint);
-        binding.message.setCompoundDrawablePadding(Utils.dpInPx(20));
+        binding.message.setCompoundDrawablePadding(Utils.INSTANCE.dpInPx(20));
         binding.message.setGravity(Gravity.CENTER);
         setMessage(R.string.auth_fingerprint);
         setNegativeButton(R.string.close, (d, w) -> {
@@ -54,7 +54,9 @@ public class FingerprintAuthDialog extends CustomAlertDialog {
         });
         try {
             helper = new DialogFingerprintHelper();
-        } catch (Exception ignored) {}
+        } catch (Exception ignored) {
+            ignored.printStackTrace();
+        }
     }
 
     public FingerprintAuthDialog(@NonNull Activity activity, @NonNull Runnable onSuccess, @NonNull Runnable onFailure) {
@@ -67,7 +69,7 @@ public class FingerprintAuthDialog extends CustomAlertDialog {
         create();
         if (helper == null) {
             dialog.dismiss();
-            Utils.toast(R.string.auth_fail, Toast.LENGTH_SHORT);
+            Utils.INSTANCE.toast(R.string.auth_fail, Toast.LENGTH_SHORT);
         } else {
             helper.authenticate();
             dialog.show();
diff --git a/app/src/main/java/com/topjohnwu/magisk/view/dialogs/InstallMethodDialog.java b/app/src/main/java/com/topjohnwu/magisk/view/dialogs/InstallMethodDialog.java
index 4faea6bd9..d88cf15cb 100644
--- a/app/src/main/java/com/topjohnwu/magisk/view/dialogs/InstallMethodDialog.java
+++ b/app/src/main/java/com/topjohnwu/magisk/view/dialogs/InstallMethodDialog.java
@@ -4,10 +4,12 @@ import android.app.Activity;
 import android.content.Intent;
 import android.widget.Toast;
 
+import androidx.appcompat.app.AlertDialog;
+
 import com.google.android.material.snackbar.Snackbar;
 import com.topjohnwu.magisk.ClassMap;
-import com.topjohnwu.magisk.Config;
 import com.topjohnwu.magisk.Const;
+import com.topjohnwu.magisk.Info;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.ui.base.IBaseLeanback;
 import com.topjohnwu.magisk.ui.flash.FlashActivity;
@@ -19,8 +21,6 @@ import com.topjohnwu.net.Networking;
 import java.io.File;
 import java.util.List;
 
-import androidx.appcompat.app.AlertDialog;
-
 class InstallMethodDialog extends AlertDialog.Builder {
 
     <Ctxt extends Activity & IBaseLeanback> InstallMethodDialog(Ctxt activity, List<String> options) {
@@ -50,7 +50,7 @@ class InstallMethodDialog extends AlertDialog.Builder {
 
     private <Ctxt extends Activity & IBaseLeanback> void patchBoot(Ctxt activity) {
         activity.runWithExternalRW(() -> {
-            Utils.toast(R.string.patch_file_msg, Toast.LENGTH_LONG);
+            Utils.INSTANCE.toast(R.string.patch_file_msg, Toast.LENGTH_LONG);
             Intent intent = new Intent(Intent.ACTION_GET_CONTENT)
                     .setType("*/*")
                     .addCategory(Intent.CATEGORY_OPENABLE);
@@ -68,11 +68,11 @@ class InstallMethodDialog extends AlertDialog.Builder {
 
     private <Ctxt extends Activity & IBaseLeanback> void downloadOnly(Ctxt activity) {
         activity.runWithExternalRW(() -> {
-            String filename = Utils.fmt("Magisk-v%s(%d).zip",
-                    Config.remoteMagiskVersionString, Config.remoteMagiskVersionCode);
+            String filename = Utils.INSTANCE.fmt("Magisk-v%s(%d).zip",
+                    Info.remoteMagiskVersionString, Info.remoteMagiskVersionCode);
             File zip = new File(Const.EXTERNAL_PATH, filename);
             ProgressNotification progress = new ProgressNotification(filename);
-            Networking.get(Config.magiskLink)
+            Networking.get(Info.magiskLink)
                     .setDownloadProgressListener(progress)
                     .setErrorHandler((conn, e) -> progress.dlFail())
                     .getAsFile(zip, f -> {
diff --git a/app/src/main/java/com/topjohnwu/magisk/view/dialogs/MagiskInstallDialog.java b/app/src/main/java/com/topjohnwu/magisk/view/dialogs/MagiskInstallDialog.java
index e1198a92f..6426162b3 100644
--- a/app/src/main/java/com/topjohnwu/magisk/view/dialogs/MagiskInstallDialog.java
+++ b/app/src/main/java/com/topjohnwu/magisk/view/dialogs/MagiskInstallDialog.java
@@ -4,7 +4,7 @@ import android.app.Activity;
 import android.net.Uri;
 import android.text.TextUtils;
 
-import com.topjohnwu.magisk.Config;
+import com.topjohnwu.magisk.Info;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.ui.base.IBaseLeanback;
 import com.topjohnwu.magisk.utils.Utils;
@@ -18,8 +18,8 @@ import java.util.List;
 public class MagiskInstallDialog extends CustomAlertDialog {
     public <Ctxt extends Activity & IBaseLeanback> MagiskInstallDialog(Ctxt a) {
         super(a);
-        String filename = Utils.fmt("Magisk-v%s(%d).zip",
-                Config.remoteMagiskVersionString, Config.remoteMagiskVersionCode);
+        String filename = Utils.INSTANCE.fmt("Magisk-v%s(%d).zip",
+                Info.remoteMagiskVersionString, Info.remoteMagiskVersionCode);
         setTitle(a.getString(R.string.repo_install_title, a.getString(R.string.magisk)));
         setMessage(a.getString(R.string.repo_install_msg, filename));
         setCancelable(true);
@@ -36,13 +36,13 @@ public class MagiskInstallDialog extends CustomAlertDialog {
             }
             new InstallMethodDialog(a, options).show();
         });
-        if (!TextUtils.isEmpty(Config.magiskNoteLink)) {
+        if (!TextUtils.isEmpty(Info.magiskNoteLink)) {
             setNeutralButton(R.string.release_notes, (d, i) -> {
-                if (Config.magiskNoteLink.contains("forum.xda-developers")) {
+                if (Info.magiskNoteLink.contains("forum.xda-developers")) {
                     // Open forum links in browser
-                    Utils.openLink(a, Uri.parse(Config.magiskNoteLink));
+                    Utils.INSTANCE.openLink(a, Uri.parse(Info.magiskNoteLink));
                 } else {
-                    MarkDownWindow.show(a, null, Config.magiskNoteLink);
+                    MarkDownWindow.show(a, null, Info.magiskNoteLink);
                 }
             });
         }
diff --git a/app/src/main/java/com/topjohnwu/magisk/view/dialogs/ManagerInstallDialog.java b/app/src/main/java/com/topjohnwu/magisk/view/dialogs/ManagerInstallDialog.java
index 4863f0daa..80828bfd4 100644
--- a/app/src/main/java/com/topjohnwu/magisk/view/dialogs/ManagerInstallDialog.java
+++ b/app/src/main/java/com/topjohnwu/magisk/view/dialogs/ManagerInstallDialog.java
@@ -5,7 +5,7 @@ import android.text.TextUtils;
 
 import androidx.annotation.NonNull;
 
-import com.topjohnwu.magisk.Config;
+import com.topjohnwu.magisk.Info;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.utils.DownloadApp;
 import com.topjohnwu.magisk.utils.Utils;
@@ -15,14 +15,14 @@ public class ManagerInstallDialog extends CustomAlertDialog {
 
     public ManagerInstallDialog(@NonNull Activity a) {
         super(a);
-        String name = Utils.fmt("MagiskManager v%s(%d)",
-                Config.remoteManagerVersionString, Config.remoteManagerVersionCode);
+        String name = Utils.INSTANCE.fmt("MagiskManager v%s(%d)",
+                Info.remoteManagerVersionString, Info.remoteManagerVersionCode);
         setTitle(a.getString(R.string.repo_install_title, a.getString(R.string.app_name)));
         setMessage(a.getString(R.string.repo_install_msg, name));
         setCancelable(true);
         setPositiveButton(R.string.install, (d, i) -> DownloadApp.upgrade(name));
-        if (!TextUtils.isEmpty(Config.managerNoteLink)) {
-            setNeutralButton(R.string.app_changelog, (d, i) -> MarkDownWindow.show(a, null, Config.managerNoteLink));
+        if (!TextUtils.isEmpty(Info.managerNoteLink)) {
+            setNeutralButton(R.string.app_changelog, (d, i) -> MarkDownWindow.show(a, null, Info.managerNoteLink));
         }
     }
 }
diff --git a/app/src/main/java/com/topjohnwu/magisk/view/dialogs/UninstallDialog.java b/app/src/main/java/com/topjohnwu/magisk/view/dialogs/UninstallDialog.java
index 4fae38407..53892f0d5 100644
--- a/app/src/main/java/com/topjohnwu/magisk/view/dialogs/UninstallDialog.java
+++ b/app/src/main/java/com/topjohnwu/magisk/view/dialogs/UninstallDialog.java
@@ -7,9 +7,11 @@ import android.net.Uri;
 import android.text.TextUtils;
 import android.widget.Toast;
 
+import androidx.annotation.NonNull;
+
 import com.topjohnwu.magisk.ClassMap;
-import com.topjohnwu.magisk.Config;
 import com.topjohnwu.magisk.Const;
+import com.topjohnwu.magisk.Info;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.ui.flash.FlashActivity;
 import com.topjohnwu.magisk.utils.Utils;
@@ -19,8 +21,6 @@ import com.topjohnwu.superuser.Shell;
 
 import java.io.File;
 
-import androidx.annotation.NonNull;
-
 public class UninstallDialog extends CustomAlertDialog {
 
     public UninstallDialog(@NonNull Activity activity) {
@@ -34,17 +34,17 @@ public class UninstallDialog extends CustomAlertDialog {
             Shell.su("restore_imgs").submit(result -> {
                 dialog.cancel();
                 if (result.isSuccess()) {
-                    Utils.toast(R.string.restore_done, Toast.LENGTH_SHORT);
+                    Utils.INSTANCE.toast(R.string.restore_done, Toast.LENGTH_SHORT);
                 } else {
-                    Utils.toast(R.string.restore_fail, Toast.LENGTH_LONG);
+                    Utils.INSTANCE.toast(R.string.restore_fail, Toast.LENGTH_LONG);
                 }
             });
         });
-        if (!TextUtils.isEmpty(Config.uninstallerLink)) {
+        if (!TextUtils.isEmpty(Info.uninstallerLink)) {
             setPositiveButton(R.string.complete_uninstall, (d, i) -> {
                 File zip = new File(activity.getFilesDir(), "uninstaller.zip");
                 ProgressNotification progress = new ProgressNotification(zip.getName());
-                Networking.get(Config.uninstallerLink)
+                Networking.get(Info.uninstallerLink)
                     .setDownloadProgressListener(progress)
                     .setErrorHandler(((conn, e) -> progress.dlFail()))
                     .getAsFile(zip, f -> {
diff --git a/app/src/main/res/xml/app_settings.xml b/app/src/main/res/xml/app_settings.xml
index b7a6a0f4b..dead7c116 100644
--- a/app/src/main/res/xml/app_settings.xml
+++ b/app/src/main/res/xml/app_settings.xml
@@ -6,6 +6,7 @@
 
         <SwitchPreferenceCompat
             android:key="dark_theme"
+            android:defaultValue="true"
             android:title="@string/settings_dark_theme_title"
             android:summary="@string/settings_dark_theme_summary" />
 
@@ -95,28 +96,33 @@
         <ListPreference
             android:key="su_auto_response"
             android:title="@string/auto_response"
+            android:defaultValue="0"
             android:entries="@array/auto_response"
             android:entryValues="@array/value_array" />
 
         <ListPreference
             android:key="su_request_timeout"
             android:title="@string/request_timeout"
+            android:defaultValue="10"
             android:entries="@array/request_timeout"
             android:entryValues="@array/request_timeout_value" />
 
         <ListPreference
             android:key="su_notification"
             android:title="@string/superuser_notification"
+            android:defaultValue="1"
             android:entries="@array/su_notification"
             android:entryValues="@array/value_array" />
 
         <SwitchPreferenceCompat
             android:key="su_fingerprint"
+            android:defaultValue="false"
             android:title="@string/settings_su_fingerprint_title"
             android:summary="@string/settings_su_fingerprint_summary"/>
 
         <SwitchPreferenceCompat
             android:key="su_reauth"
+            android:defaultValue="false"
             android:title="@string/settings_su_reauth_title"
             android:summary="@string/settings_su_reauth_summary"/>