diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
deleted file mode 100644
index f113bf7..0000000
--- a/.github/workflows/android.yml
+++ /dev/null
@@ -1,43 +0,0 @@
-name: Android CI
-
-on:
-  push:
-    branches: [ main ]
-  pull_request:
-  workflow_dispatch:
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v3
-
-    - name: Set up JDK 21
-      uses: actions/setup-java@v3
-      with:
-        java-version: 21
-        distribution: 'temurin'
-        cache: 'gradle'
-
-    - name: Write key
-      if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
-      run: |
-        if [ ! -z "${{ secrets.SIGNING_KEY }}" ]; then
-        echo releaseStorePassword='${{ secrets.KEY_STORE_PASSWORD }}' >> gradle.properties
-        echo releaseKeyAlias='${{ secrets.ALIAS }}' >> gradle.properties
-        echo releaseKeyPassword='${{ secrets.KEY_PASSWORD }}' >> gradle.properties
-        echo releaseStoreFile='key.jks' >> gradle.properties
-        echo ${{ secrets.SIGNING_KEY }} | base64 --decode > key.jks
-        fi
-
-    - name: Build with Gradle
-      run: ./gradlew assembleRelease assembleDebug
-
-    - name: Upload artifact
-      uses: actions/upload-artifact@v3
-      with:
-        name: Signed app bundle
-        path: app/build/outputs/apk
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 844b97a..2afd0b8 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -14,10 +14,10 @@ android {
     buildToolsVersion = "36.0.0"
     defaultConfig {
         applicationId = "com.mbcp.helper"
-        minSdk = 31
+        minSdk = 28
         targetSdk = 36
-        versionCode = 2030
-        versionName = "1.3-mbcp"
+        versionCode = 2031
+        versionName = "1.5-mbcp"
     }
 
     signingConfigs {
diff --git a/app/src/main/java/toolkit/coderstory/CorePatchForQ.java b/app/src/main/java/toolkit/coderstory/CorePatchForQ.java
index 7532c1a..72b05fc 100644
--- a/app/src/main/java/toolkit/coderstory/CorePatchForQ.java
+++ b/app/src/main/java/toolkit/coderstory/CorePatchForQ.java
@@ -149,5 +149,14 @@ public class CorePatchForQ extends XposedHelper implements IXposedHookLoadPackag
                 "isVerificationEnabled",
                 new ReturnConstant(prefs, "disableVerificationAgent", false)
         );
+
+        // Allow apk splits with different signatures to be installed together
+        hookAllMethods(signingDetails, "signaturesMatchExactly", new XC_MethodHook() {
+            @Override
+            protected void beforeHookedMethod(MethodHookParam param) {
+                if (prefs.getBoolean("exactSigCheck", false))
+                    param.setResult(true);
+            }
+        });
     }
 }
diff --git a/app/src/main/java/toolkit/coderstory/CorePatchForR.java b/app/src/main/java/toolkit/coderstory/CorePatchForR.java
index b9910ed..4dd238f 100644
--- a/app/src/main/java/toolkit/coderstory/CorePatchForR.java
+++ b/app/src/main/java/toolkit/coderstory/CorePatchForR.java
@@ -65,6 +65,7 @@ public class CorePatchForR extends XposedHelper implements IXposedHookLoadPackag
             XposedBridge.log("D/" + MainHook.TAG + " downgrade=" + prefs.getBoolean("downgrade", true));
             XposedBridge.log("D/" + MainHook.TAG + " authcreak=" + prefs.getBoolean("authcreak", false));
             XposedBridge.log("D/" + MainHook.TAG + " digestCreak=" + prefs.getBoolean("digestCreak", true));
+            XposedBridge.log("D/" + MainHook.TAG + " exactSigCheck=" + prefs.getBoolean("exactSigCheck", false));
             XposedBridge.log("D/" + MainHook.TAG + " UsePreSig=" + prefs.getBoolean("UsePreSig", false));
             XposedBridge.log("D/" + MainHook.TAG + " bypassBlock=" + prefs.getBoolean("bypassBlock", true));
             XposedBridge.log("D/" + MainHook.TAG + " sharedUser=" + prefs.getBoolean("sharedUser", false));
@@ -262,7 +263,19 @@ public class CorePatchForR extends XposedHelper implements IXposedHookLoadPackag
             hookAllMethods(keySetManagerClass, "shouldCheckUpgradeKeySetLocked", new XC_MethodHook() {
                 @Override
                 protected void afterHookedMethod(MethodHookParam param) {
-                    if (prefs.getBoolean("digestCreak", true) && Arrays.stream(Thread.currentThread().getStackTrace()).anyMatch((o) -> "preparePackageLI".equals(o.getMethodName()))) {
+                    // 检查权限定义的签名的时候，如果定义包名相同，会使用 KeySetManagerService ，
+                    // 我们利用这一点让它通过检查，也就是同包不同签名权限可覆盖
+                    // R-Sv2: PackageManagerService#preparePackageLI
+                    // https://cs.android.com/android/platform/superproject/+/android-11.0.0_r21:frameworks/base/services/core/java/com/android/server/pm/PackageManagerService.java;l=17188;drc=960ffca13a519b0fb9e0942665577c62f97d0eea
+                    // T-V: InstallPackageHelper#preparePackageLI
+                    // https://cs.android.com/android/platform/superproject/+/android-14.0.0_r2:frameworks/base/services/core/java/com/android/server/pm/InstallPackageHelper.java;l=1097;drc=5ea7e53c3a787e25af86b0f31933ddd68ae3514e
+                    // 16: InstallPackageHelper#preparePackage
+                    // https://cs.android.com/android/platform/superproject/+/android-16.0.0_r2:frameworks/base/services/core/java/com/android/server/pm/InstallPackageHelper.java;l=1459;drc=d14620262929e39a409b55d11cb542c1d1c4d2f6
+                    if (prefs.getBoolean("digestCreak", true) &&
+                            Arrays.stream(Thread.currentThread().getStackTrace())
+                                    .anyMatch((o) -> o.getMethodName().startsWith("preparePackage")
+                                    )
+                    ) {
                         shouldBypass.set(true);
                         param.setResult(true);
                     } else {
@@ -394,6 +407,15 @@ public class CorePatchForR extends XposedHelper implements IXposedHookLoadPackag
 
         hookAllMethods(getIsVerificationEnabledClass(loadPackageParam.classLoader), "isVerificationEnabled", new ReturnConstant(prefs, "disableVerificationAgent", false));
 
+        // Allow apk splits with different signatures to be installed together
+        hookAllMethods(signingDetails, "signaturesMatchExactly", new XC_MethodHook() {
+            @Override
+            protected void beforeHookedMethod(MethodHookParam param) {
+                if (prefs.getBoolean("exactSigCheck", false))
+                    param.setResult(true);
+            }
+        });
+
         if (BuildConfig.DEBUG) initializeDebugHook(loadPackageParam);
     }
 
diff --git a/app/src/main/res/values-vi/string.xml b/app/src/main/res/values-vi/string.xml
index c1b4ac6..a56ee10 100644
--- a/app/src/main/res/values-vi/string.xml
+++ b/app/src/main/res/values-vi/string.xml
@@ -7,7 +7,7 @@
     <string name="src_summary">Xem mã nguồn của trình hỗ trợ MBCP - dựa trên CorePatch.</string>
     <string name="options">Tùy chọn</string>
     <string name="module_description">Vô hiệu hóa xác minh chữ ký và cho phép cài đặt MBCP.</string>
-    <string name="corepatch">MBCP và trình hỗ trợ hiện chỉ khả dụng cho Android 12 trở lên.\nMBCP Helper được dựa trên CorePatch.</string>
+    <string name="corepatch">MBCP và trình hỗ trợ hiện khả dụng cho Android 9 ~ 16 trở lên.\nMBCP Helper được dựa trên CorePatch.</string>
     <string name="downgr">Cho phép hạ cấp</string>
     <string name="downgr_summary">Cho phép hạ cấp MBCP và các ứng dụng khác về phiên bản cũ hơn.</string>
     <string name="authcreak">Vô hiệu hóa xác minh tính toàn vẹn</string>
@@ -20,4 +20,8 @@
     <string name="usepresig_warn">!! Any apk can override the installed one !!\nBe carefully when installing unknown apk</string>
     <string name="disable_verification_agent_title">Bỏ qua tác nhân xác minh APK</string>
     <string name="disable_verification_agent_summary">ví dụ như trình bảo vệ app của Google Play.</string>
+    <string name="hyperos_title">Thông báo cho HyperOS</string>
+    <string name="hyperos_summary">Trình hỗ trợ này không thể sử dụng nếu bạn có HyperOS 1+. Vui lòng nhấn vào đây để xem cách cài app MBCP cho HyperOS.</string>
+    <string name="exactSigCheck">Disable exact signature match</string>
+    <string name="exactSigCheck_summary">Disables exact signature match between apks, allowing installs with each apk split having a different signature.</string>
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 746beb5..9c646b8 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -8,7 +8,7 @@
     <string name="options">Options</string>
 
     <string name="module_description">Disable signature verification and allows install MBCP</string>
-    <string name="corepatch">MBCP and Helper only available for Android 12 and newer.\nIts based on CorePatch.</string>
+    <string name="corepatch">MBCP and Helper are available for Android 9 and newer.\nIts based on CorePatch.</string>
     <string name="downgr">Allow downgrade</string>
     <string name="downgr_summary">Allow downgrade MBCP and other applications to older version.</string>
     <string name="authcreak">Disable digest verify</string>
@@ -21,4 +21,8 @@
     <string name="usepresig_warn">!! Any apk can override the installed one !!\nBe carefully when installing unknown apk</string>
     <string name="disable_verification_agent_title">Disable Package Verification Agent</string>
     <string name="disable_verification_agent_summary">e.g. Google Play Protection</string>
+    <string name="hyperos_title">HyperOS attention</string>
+    <string name="hyperos_summary">This helper cant be used for HyperOS 1+. If you have HyperOS 1+, downgrade to MIUI, or ask somewhere for manually patching service.jar !!!</string>
+    <string name="exactSigCheck">Disable exact signature match</string>
+    <string name="exactSigCheck_summary">Disables exact signature match between apks, allowing installs with each apk split having a different signature. Only enable when really needed!</string>
 </resources>
diff --git a/app/src/main/res/xml/prefs.xml b/app/src/main/res/xml/prefs.xml
index 1bfaf66..b6b0c0a 100644
--- a/app/src/main/res/xml/prefs.xml
+++ b/app/src/main/res/xml/prefs.xml
@@ -8,46 +8,52 @@
             android:summary="@string/dlmbcp_summary">
             <intent
                 android:action="android.intent.action.VIEW"
-                android:data="https://t.me/mbbpatch"/>
+                android:data="https://t.me/mbbpatch_eng"/>
         </Preference>
         <Preference
             android:title="@string/src"
             android:summary="@string/src_summary">
             <intent
                 android:action="android.intent.action.VIEW"
-                android:data="https://gitlab.com/cuynu/mbcp-helper"/>
+                android:data="https://git.disroot.org/mbcp/mbcp-helper"/>
         </Preference>
 
     </PreferenceCategory>
 
     <PreferenceCategory android:title="@string/options">
-        <SwitchPreference
-            android:key="downgrade"
-            android:title="@string/downgr"
-            android:summary="@string/downgr_summary"
-            android:defaultValue="true" />
         <SwitchPreference
             android:key="authcreak"
             android:title="@string/authcreak"
             android:summary="@string/authcreak_summary"
             android:defaultValue="false" />
-        <SwitchPreference
+        <Preference
+            android:title="@string/hyperos_title"
+            android:summary="@string/hyperos_summary">
+            <intent
+                android:action="android.intent.action.VIEW"
+                android:data="https://git.disroot.org/mbcp/info/wiki/mbcpinstall_hyperos" />
+        </Preference>
+        <Preference
+            android:key="downgrade"
+            android:enabled="false"
+            android:defaultValue="true" />
+        <Preference
             android:key="digestCreak"
             android:enabled="false"
-            android:title="@string/digestCreak"
-            android:summary="@string/digestCreak_summary"
             android:defaultValue="true" />
+        <Preference
+            android:key="exactSigCheck"
+            android:enabled="false"
+            android:defaultValue="false"/>
 
-        <SwitchPreference
+        <Preference
             android:key="bypassBlock"
-            android:title="@string/bypassBlock"
-            android:summary="@string/bypassBlock_summary"
+            android:enabled="false"
             android:defaultValue="true" />
 
-        <SwitchPreference
+        <Preference
             android:key="disableVerificationAgent"
-            android:title="@string/disable_verification_agent_title"
-            android:summary="@string/disable_verification_agent_summary"
+            android:enabled="false"
             android:defaultValue="true" />
     </PreferenceCategory>