diff --git a/src/main/kotlin/app/revanced/patches/ticktick/misc/themeunlock/annotations/UnlockThemesCompatibility.kt b/src/main/kotlin/app/revanced/patches/ticktick/misc/themeunlock/annotations/UnlockThemesCompatibility.kt
new file mode 100644
index 000000000..cc096640e
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/ticktick/misc/themeunlock/annotations/UnlockThemesCompatibility.kt
@@ -0,0 +1,9 @@
+package app.revanced.patches.ticktick.misc.themeunlock.annotations
+
+import app.revanced.patcher.annotation.Compatibility
+import app.revanced.patcher.annotation.Package
+
+@Compatibility([Package("com.ticktick.task")])
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+internal annotation class UnlockThemesCompatibility
diff --git a/src/main/kotlin/app/revanced/patches/ticktick/misc/themeunlock/fingerprints/CheckLockedThemesFingerprint.kt b/src/main/kotlin/app/revanced/patches/ticktick/misc/themeunlock/fingerprints/CheckLockedThemesFingerprint.kt
new file mode 100644
index 000000000..0d6f167a9
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/ticktick/misc/themeunlock/fingerprints/CheckLockedThemesFingerprint.kt
@@ -0,0 +1,15 @@
+package app.revanced.patches.ticktick.misc.themeunlock.fingerprints
+
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import app.revanced.patches.ticktick.misc.themeunlock.annotations.UnlockThemesCompatibility
+
+@Name("check-locked-theme-fingerprint")
+@UnlockThemesCompatibility
+@Version("0.0.1")
+object CheckLockedThemesFingerprint : MethodFingerprint(
+    customFingerprint = { methodDef ->
+        methodDef.definingClass.endsWith("Theme;") && methodDef.name == "isLockedTheme"
+    }
+)
diff --git a/src/main/kotlin/app/revanced/patches/ticktick/misc/themeunlock/fingerprints/SetThemeFingerprint.kt b/src/main/kotlin/app/revanced/patches/ticktick/misc/themeunlock/fingerprints/SetThemeFingerprint.kt
new file mode 100644
index 000000000..d9d3dc447
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/ticktick/misc/themeunlock/fingerprints/SetThemeFingerprint.kt
@@ -0,0 +1,15 @@
+package app.revanced.patches.ticktick.misc.themeunlock.fingerprints
+
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import app.revanced.patches.ticktick.misc.themeunlock.annotations.UnlockThemesCompatibility
+
+@Name("set-theme-fingerprint")
+@UnlockThemesCompatibility
+@Version("0.0.1")
+object SetThemeFingerprint : MethodFingerprint(
+    customFingerprint = { methodDef ->
+        methodDef.definingClass.endsWith("ThemePreviewActivity;") && methodDef.name == "lambda\$updateUserBtn\$1"
+    }
+)
diff --git a/src/main/kotlin/app/revanced/patches/ticktick/misc/themeunlock/patch/UnlockThemePatch.kt b/src/main/kotlin/app/revanced/patches/ticktick/misc/themeunlock/patch/UnlockThemePatch.kt
new file mode 100644
index 000000000..e1b6664e7
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/ticktick/misc/themeunlock/patch/UnlockThemePatch.kt
@@ -0,0 +1,43 @@
+package app.revanced.patches.ticktick.misc.themeunlock.patch
+
+import app.revanced.patcher.annotation.Description
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.addInstructions
+import app.revanced.patcher.extensions.removeInstructions
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultSuccess
+import app.revanced.patcher.patch.annotations.Patch
+import app.revanced.patches.ticktick.misc.themeunlock.annotations.UnlockThemesCompatibility
+import app.revanced.patches.ticktick.misc.themeunlock.fingerprints.CheckLockedThemesFingerprint
+import app.revanced.patches.ticktick.misc.themeunlock.fingerprints.SetThemeFingerprint
+
+@Patch
+@Name("unlock-themes")
+@Description("Unlocks all themes.")
+@UnlockThemesCompatibility
+@Version("0.0.1")
+class UnlockProPatch : BytecodePatch(
+    listOf(
+        CheckLockedThemesFingerprint,
+        SetThemeFingerprint
+    )
+) {
+    override fun execute(context: BytecodeContext): PatchResult {
+        val lockedThemesMethod = CheckLockedThemesFingerprint.result!!.mutableMethod
+        lockedThemesMethod.addInstructions(
+            0,
+            """
+                const/4 v0, 0x0
+                return v0
+            """
+        )
+        
+        val setThemeMethod = SetThemeFingerprint.result!!.mutableMethod
+        setThemeMethod.removeInstructions(0, 9)
+        
+        return PatchResultSuccess()
+    }
+}