diff --git a/Tethering/TEST_MAPPING b/Tethering/TEST_MAPPING
index 73254cd..5617b0c 100644
--- a/Tethering/TEST_MAPPING
+++ b/Tethering/TEST_MAPPING
@@ -1,7 +1,12 @@
 {
-  "postsubmit": [
+  "presubmit": [
     {
       "name": "TetheringTests"
     }
+  ],
+  "postsubmit": [
+    {
+      "name": "TetheringIntegrationTests"
+    }
   ]
 }
diff --git a/Tethering/src/com/android/networkstack/tethering/TetheringNotificationUpdater.java b/Tethering/src/com/android/networkstack/tethering/TetheringNotificationUpdater.java
index d03deda..593d04a 100644
--- a/Tethering/src/com/android/networkstack/tethering/TetheringNotificationUpdater.java
+++ b/Tethering/src/com/android/networkstack/tethering/TetheringNotificationUpdater.java
@@ -24,8 +24,10 @@
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.net.NetworkCapabilities;
@@ -253,6 +255,14 @@
     }
 
     @VisibleForTesting
+    static String getSettingsPackageName(@NonNull final PackageManager pm) {
+        final Intent settingsIntent = new Intent(Settings.ACTION_SETTINGS);
+        final ComponentName settingsComponent = settingsIntent.resolveActivity(pm);
+        return settingsComponent != null
+                ? settingsComponent.getPackageName() : "com.android.settings";
+    }
+
+    @VisibleForTesting
     void notifyTetheringDisabledByRestriction() {
         final Resources res = getResourcesForSubId(mContext, mActiveDataSubId);
         final String title = res.getString(R.string.disable_tether_notification_title);
@@ -262,8 +272,9 @@
         final PendingIntent pi = PendingIntent.getActivity(
                 mContext.createContextAsUser(UserHandle.CURRENT, 0 /* flags */),
                 0 /* requestCode */,
-                new Intent(Settings.ACTION_TETHER_SETTINGS),
-                Intent.FLAG_ACTIVITY_NEW_TASK,
+                new Intent(Settings.ACTION_TETHER_SETTINGS)
+                        .setPackage(getSettingsPackageName(mContext.getPackageManager())),
+                Intent.FLAG_ACTIVITY_NEW_TASK | PendingIntent.FLAG_IMMUTABLE,
                 null /* options */);
 
         showNotification(R.drawable.stat_sys_tether_general, title, message,
@@ -284,7 +295,7 @@
                 mContext.createContextAsUser(UserHandle.CURRENT, 0 /* flags */),
                 0 /* requestCode */,
                 intent,
-                0 /* flags */);
+                PendingIntent.FLAG_IMMUTABLE);
         final Action action = new Action.Builder(NO_ICON_ID, disableButton, pi).build();
 
         showNotification(R.drawable.stat_sys_tether_general, title, message,
@@ -305,8 +316,9 @@
         final PendingIntent pi = PendingIntent.getActivity(
                 mContext.createContextAsUser(UserHandle.CURRENT, 0 /* flags */),
                 0 /* requestCode */,
-                new Intent(Settings.ACTION_TETHER_SETTINGS),
-                Intent.FLAG_ACTIVITY_NEW_TASK,
+                new Intent(Settings.ACTION_TETHER_SETTINGS)
+                        .setPackage(getSettingsPackageName(mContext.getPackageManager())),
+                Intent.FLAG_ACTIVITY_NEW_TASK | PendingIntent.FLAG_IMMUTABLE,
                 null /* options */);
 
         showNotification(R.drawable.stat_sys_tether_general, title, message,
diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringNotificationUpdaterTest.kt b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringNotificationUpdaterTest.kt
index 7d5471f..4b6bbac 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringNotificationUpdaterTest.kt
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringNotificationUpdaterTest.kt
@@ -19,6 +19,10 @@
 import android.app.Notification
 import android.app.NotificationManager
 import android.content.Context
+import android.content.pm.ActivityInfo
+import android.content.pm.ApplicationInfo
+import android.content.pm.PackageManager
+import android.content.pm.ResolveInfo
 import android.content.res.Resources
 import android.net.ConnectivityManager.TETHERING_WIFI
 import android.os.Handler
@@ -51,6 +55,7 @@
 import org.mockito.ArgumentMatchers.eq
 import org.mockito.Mock
 import org.mockito.Mockito.doReturn
+import org.mockito.Mockito.mock
 import org.mockito.Mockito.never
 import org.mockito.Mockito.reset
 import org.mockito.Mockito.times
@@ -351,4 +356,26 @@
         notificationUpdater.onUpstreamCapabilitiesChanged(ROAMING_CAPABILITIES)
         verifyNotificationCancelled(listOf(NO_UPSTREAM_NOTIFICATION_ID, ROAMING_NOTIFICATION_ID))
     }
+
+    @Test
+    fun testGetSettingsPackageName() {
+        val defaultSettingsPackageName = "com.android.settings"
+        val testSettingsPackageName = "com.android.test.settings"
+        val pm = mock(PackageManager::class.java)
+        doReturn(null).`when`(pm).resolveActivity(any(), anyInt())
+        assertEquals(defaultSettingsPackageName,
+                TetheringNotificationUpdater.getSettingsPackageName(pm))
+
+        val resolveInfo = ResolveInfo().apply {
+            activityInfo = ActivityInfo().apply {
+                name = "test"
+                applicationInfo = ApplicationInfo().apply {
+                    packageName = testSettingsPackageName
+                }
+            }
+        }
+        doReturn(resolveInfo).`when`(pm).resolveActivity(any(), anyInt())
+        assertEquals(testSettingsPackageName,
+                TetheringNotificationUpdater.getSettingsPackageName(pm))
+    }
 }