diff --git a/app/src/main/java/com/topjohnwu/magisk/adapters/ReposAdapter.java b/app/src/main/java/com/topjohnwu/magisk/adapters/ReposAdapter.java
index 3c61bf65b..a9b92b6e1 100644
--- a/app/src/main/java/com/topjohnwu/magisk/adapters/ReposAdapter.java
+++ b/app/src/main/java/com/topjohnwu/magisk/adapters/ReposAdapter.java
@@ -3,7 +3,6 @@ package com.topjohnwu.magisk.adapters;
 import android.app.Activity;
 import android.content.Context;
 import android.database.Cursor;
-import android.net.Uri;
 import android.support.v7.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.Pair;
@@ -21,7 +20,6 @@ import com.topjohnwu.magisk.components.AlertDialogBuilder;
 import com.topjohnwu.magisk.database.RepoDatabaseHelper;
 import com.topjohnwu.magisk.module.Module;
 import com.topjohnwu.magisk.module.Repo;
-import com.topjohnwu.magisk.receivers.DownloadReceiver;
 import com.topjohnwu.magisk.utils.Utils;
 
 import java.util.ArrayList;
@@ -106,26 +104,13 @@ public class ReposAdapter extends SectionedAdapter<ReposAdapter.SectionHolder, R
                     .setTitle(context.getString(R.string.repo_install_title, repo.getName()))
                     .setMessage(context.getString(R.string.repo_install_msg, filename))
                     .setCancelable(true)
-                    .setPositiveButton(R.string.install, (d, i) -> Utils.dlAndReceive(
-                            context,
-                            new DownloadReceiver() {
-                                @Override
-                                public void onDownloadDone(Uri uri) {
-                                    new ProcessRepoZip((Activity) context, uri, true).exec();
-                                }
-                            },
-                            repo.getZipUrl(),
-                            Utils.getLegalFilename(filename)))
-                    .setNeutralButton(R.string.download, (d, i) -> Utils.dlAndReceive(
-                            context,
-                            new DownloadReceiver() {
-                                @Override
-                                public void onDownloadDone(Uri uri) {
-                                    new ProcessRepoZip((Activity) context, uri, false).exec();
-                                }
-                            },
-                            repo.getZipUrl(),
-                            Utils.getLegalFilename(filename)))
+                    .setPositiveButton(R.string.install, (d, i) ->
+                        new ProcessRepoZip((Activity) context, repo.getZipUrl(),
+                                Utils.getLegalFilename(filename), true).exec()
+                    )
+                    .setNeutralButton(R.string.download, (d, i) ->
+                        new ProcessRepoZip((Activity) context, repo.getZipUrl(),
+                                Utils.getLegalFilename(filename), false).exec())
                     .setNegativeButton(R.string.no_thanks, null)
                     .show();
         });
diff --git a/app/src/main/java/com/topjohnwu/magisk/asyncs/ProcessRepoZip.java b/app/src/main/java/com/topjohnwu/magisk/asyncs/ProcessRepoZip.java
index dc7c8ca93..2e86a8831 100644
--- a/app/src/main/java/com/topjohnwu/magisk/asyncs/ProcessRepoZip.java
+++ b/app/src/main/java/com/topjohnwu/magisk/asyncs/ProcessRepoZip.java
@@ -1,9 +1,11 @@
 package com.topjohnwu.magisk.asyncs;
 
+import android.Manifest;
 import android.app.Activity;
 import android.app.ProgressDialog;
 import android.content.Intent;
 import android.net.Uri;
+import android.os.Environment;
 import android.widget.Toast;
 
 import com.topjohnwu.magisk.FlashActivity;
@@ -11,32 +13,42 @@ import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.utils.Logger;
 import com.topjohnwu.magisk.utils.Shell;
 import com.topjohnwu.magisk.utils.Utils;
+import com.topjohnwu.magisk.utils.WebService;
 import com.topjohnwu.magisk.utils.ZipUtils;
 
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.InputStream;
 import java.io.OutputStream;
 
 public class ProcessRepoZip extends ParallelTask<Void, Void, Boolean> {
 
-    private Uri mUri;
     private ProgressDialog progressDialog;
     private boolean mInstall;
+    private String mLink, mFile;
 
-    public ProcessRepoZip(Activity context, Uri uri, boolean install) {
+    public ProcessRepoZip(Activity context, String link, String filename, boolean install) {
         super(context);
-        mUri = uri;
+        mLink = link;
+        mFile = Environment.getExternalStorageDirectory() + "/MagiskManager/" + filename;
         mInstall = install;
     }
 
     @Override
     protected void onPreExecute() {
         Activity activity = getActivity();
-        if (activity == null) return;
         progressDialog = ProgressDialog.show(activity,
-                activity.getString(R.string.zip_process_title),
-                activity.getString(R.string.zip_process_msg));
+                activity.getString(R.string.zip_download_title),
+                activity.getString(R.string.zip_download_msg));
+    }
+
+    @Override
+    protected void onProgressUpdate(Void... values) {
+        progressDialog.setTitle(R.string.zip_process_title);
+        progressDialog.setMessage(getActivity().getString(R.string.zip_process_msg));
     }
 
     @Override
@@ -45,15 +57,20 @@ public class ProcessRepoZip extends ParallelTask<Void, Void, Boolean> {
         if (activity == null) return null;
         try {
 
-            // Create temp file
-            File temp1 = new File(activity.getCacheDir(), "1.zip");
-            File temp2 = new File(activity.getCacheDir(), "2.zip");
-            activity.getCacheDir().mkdirs();
-            temp1.createNewFile();
-            temp2.createNewFile();
+            // Request zip from Internet
+            InputStream in = WebService.request(WebService.GET, mLink, null);
+            if (in == null) return false;
+            in = new BufferedInputStream(in);
 
-            // First remove top folder in Github source zip, Uri -> temp1
-            ZipUtils.removeTopFolder(activity.getContentResolver().openInputStream(mUri), temp1);
+            // Temp files
+            File temp1 = new File(activity.getCacheDir(), "1.zip");
+            File temp2 = new File(temp1.getParentFile(), "2.zip");
+            temp1.getParentFile().mkdir();
+
+            // First remove top folder in Github source zip, Web -> temp1
+            ZipUtils.removeTopFolder(in, temp1);
+
+            publishProgress();
 
             // Then sign the zip for the first time, temp1 -> temp2
             ZipUtils.signZip(activity, temp1, temp2, false);
@@ -64,18 +81,17 @@ public class ProcessRepoZip extends ParallelTask<Void, Void, Boolean> {
             // Finally, sign the whole zip file again, temp1 -> temp2
             ZipUtils.signZip(activity, temp1, temp2, true);
 
-            // Write it back to the downloaded zip, temp2 -> Uri
-            try (OutputStream out = activity.getContentResolver().openOutputStream(mUri);
-                 FileInputStream in = new FileInputStream(temp2)
+            // Write it to the target zip, temp2 -> file
+            try (OutputStream out = new BufferedOutputStream(new FileOutputStream(mFile));
+                 InputStream source = new BufferedInputStream(new FileInputStream(temp2))
             ) {
                 byte[] buffer = new byte[4096];
                 int length;
-                if (out == null) throw new FileNotFoundException();
-                while ((length = in.read(buffer)) > 0)
+                while ((length = source.read(buffer)) > 0)
                     out.write(buffer, 0, length);
             }
 
-            // Delete the temp file
+            // Delete temp files
             temp1.delete();
             temp2.delete();
 
@@ -92,17 +108,24 @@ public class ProcessRepoZip extends ParallelTask<Void, Void, Boolean> {
         Activity activity = getActivity();
         if (activity == null) return;
         progressDialog.dismiss();
+        Uri uri = Uri.fromFile(new File(mFile));
         if (result) {
             if (Shell.rootAccess() && mInstall) {
                 Intent intent = new Intent(getActivity(), FlashActivity.class);
-                intent.setData(mUri).putExtra(FlashActivity.SET_ACTION, FlashActivity.FLASH_ZIP);
+                intent.setData(uri).putExtra(FlashActivity.SET_ACTION, FlashActivity.FLASH_ZIP);
                 activity.startActivity(intent);
             } else {
-                Utils.showUriSnack(activity, mUri);
+                Utils.showUriSnack(activity, uri);
             }
         } else {
             Utils.getMagiskManager(activity).toast(R.string.process_error, Toast.LENGTH_LONG);
         }
         super.onPostExecute(result);
     }
+
+    @Override
+    public ParallelTask<Void, Void, Boolean> exec(Void... voids) {
+        Utils.runWithPermission(getActivity(), Manifest.permission.WRITE_EXTERNAL_STORAGE, () -> super.exec(voids));
+        return this;
+    }
 }
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/ZipUtils.java b/app/src/main/java/com/topjohnwu/magisk/utils/ZipUtils.java
index 8a3380904..ee8b9d9f9 100644
--- a/app/src/main/java/com/topjohnwu/magisk/utils/ZipUtils.java
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/ZipUtils.java
@@ -22,6 +22,8 @@ import org.bouncycastle.operator.jcajce.JcaContentSignerBuilder;
 import org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder;
 import org.bouncycastle.util.encoders.Base64;
 
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
@@ -126,7 +128,7 @@ public class ZipUtils {
     public static void removeTopFolder(InputStream in, File output) throws IOException {
         try {
             JarInputStream source = new JarInputStream(in);
-            JarOutputStream dest = new JarOutputStream(new FileOutputStream(output));
+            JarOutputStream dest = new JarOutputStream(new BufferedOutputStream(new FileOutputStream(output)));
             JarEntry entry;
             String path;
             int size;
@@ -157,7 +159,7 @@ public class ZipUtils {
     }
 
     public static void unzip(File zip, File folder, String path, boolean junkPath) throws Exception {
-        InputStream in = new FileInputStream(zip);
+        InputStream in = new BufferedInputStream(new FileInputStream(zip));
         unzip(in, folder, path, junkPath);
         in.close();
     }
@@ -198,7 +200,7 @@ public class ZipUtils {
     public static void signZip(Context context, File input, File output, boolean minSign) {
         int alignment = 4;
         JarFile inputJar = null;
-        FileOutputStream outputFile = null;
+        BufferedOutputStream outputFile = null;
         int hashes = 0;
         try {
             X509Certificate publicKey = readPublicKey(context.getAssets().open(PUBLIC_KEY_NAME));
@@ -210,7 +212,7 @@ public class ZipUtils {
             long timestamp = publicKey.getNotBefore().getTime() + 3600L * 1000;
             PrivateKey privateKey = readPrivateKey(context.getAssets().open(PRIVATE_KEY_NAME));
 
-            outputFile = new FileOutputStream(output);
+            outputFile = new BufferedOutputStream(new FileOutputStream(output));
             if (minSign) {
                 ZipUtils.signWholeFile(input, publicKey, privateKey, outputFile);
             } else {
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index fbb7a02a7..0675140e4 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -114,7 +114,6 @@
     <string name="copying_msg">Copying zip to temp directory</string>
     <string name="zip_install_progress_title">Installing</string>
     <string name="zip_unzip_msg">Unzipping zip file …</string>
-    <string name="zip_process_msg">Processing zip file …</string>
     <string name="zip_install_progress_msg">Installing %1$s …</string>
     <string name="no_magisk_title">Magisk Is Not Installed!</string>
     <string name="no_magisk_msg">Do you want to download and install Magisk?</string>
@@ -130,7 +129,10 @@
     <string name="understand">I understand</string>
     <string name="process_error">Process error</string>
     <string name="internal_storage">The zip is stored in:\n[Internal Storage]%1$s</string>
+    <string name="zip_download_title">Downloading</string>
+    <string name="zip_download_msg">Downloading zip file …</string>
     <string name="zip_process_title">Processing</string>
+    <string name="zip_process_msg">Processing zip file …</string>
     <string name="manual_boot_image">Please manually select a boot image!</string>
     <string name="manager_update_title">New Magisk Manager Update Available!</string>
     <string name="manager_download_install">Press to download and install</string>