diff --git a/src/com/android/settings/fuelgauge/datasaver/DynamicDenylistManager.java b/src/com/android/settings/fuelgauge/datasaver/DynamicDenylistManager.java
index b77d5eb..ecb2a48 100644
--- a/src/com/android/settings/fuelgauge/datasaver/DynamicDenylistManager.java
+++ b/src/com/android/settings/fuelgauge/datasaver/DynamicDenylistManager.java
@@ -78,6 +78,11 @@
             return;
         }
 
+        if (mNetworkPolicyManager == null) {
+            Log.w(TAG, "syncPolicyIfNeeded: invalid mNetworkPolicyManager");
+            return;
+        }
+
         final SharedPreferences.Editor editor = getManualDenylistPref().edit();
         final int[] existedUids = mNetworkPolicyManager
                 .getUidsWithPolicy(POLICY_REJECT_METERED_BACKGROUND);
@@ -91,6 +96,11 @@
 
     /** Set policy flags for specific UID. */
     public void setUidPolicyLocked(int uid, int policy) {
+        if (mNetworkPolicyManager == null) {
+            Log.w(TAG, "setUidPolicyLocked: invalid mNetworkPolicyManager");
+            return;
+        }
+
         Log.i(TAG, "setUidPolicyLocked: uid=" + uid + " policy=" + policy);
         synchronized (mLock) {
             mNetworkPolicyManager.setUidPolicy(uid, policy);
@@ -100,7 +110,7 @@
 
     /** Suggest a list of package to set as POLICY_REJECT. */
     public void setDenylist(Set<Integer> denylistTargetUids) {
-        if (denylistTargetUids == null) {
+        if (denylistTargetUids == null || mNetworkPolicyManager == null) {
             return;
         }
         final Set<Integer> manualDenylistUids = getDenylistAllUids(getManualDenylistPref());
@@ -164,6 +174,12 @@
             Log.w(TAG, "resetDenylistIfNeeded: invalid conditions");
             return;
         }
+
+        if (mNetworkPolicyManager == null) {
+            Log.w(TAG, "setUidPolicyLocked: invalid mNetworkPolicyManager");
+            return;
+        }
+
         synchronized (mLock) {
             final int[] uids = mNetworkPolicyManager
                     .getUidsWithPolicy(POLICY_REJECT_METERED_BACKGROUND);
diff --git a/src/com/android/settings/password/SetNewPasswordActivity.java b/src/com/android/settings/password/SetNewPasswordActivity.java
index 0ba52ea..36756f9 100644
--- a/src/com/android/settings/password/SetNewPasswordActivity.java
+++ b/src/com/android/settings/password/SetNewPasswordActivity.java
@@ -124,9 +124,7 @@
 
     @Override
     public void launchChooseLock(Bundle chooseLockFingerprintExtras) {
-        final boolean isInSetupWizard = WizardManagerHelper.isAnySetupWizard(getIntent());
-        Intent intent = isInSetupWizard ? new Intent(this, SetupChooseLockGeneric.class)
-                : new Intent(this, ChooseLockGeneric.class);
+        final Intent intent = new Intent(this, SetupChooseLockGeneric.class);
         intent.setAction(mNewPasswordAction);
         intent.putExtras(chooseLockFingerprintExtras);
         intent.putExtra(EXTRA_KEY_CHOOSE_LOCK_SCREEN_TITLE,
diff --git a/src/com/android/settings/users/UserSettings.java b/src/com/android/settings/users/UserSettings.java
index 0cf01e3..c387d9e 100644
--- a/src/com/android/settings/users/UserSettings.java
+++ b/src/com/android/settings/users/UserSettings.java
@@ -919,7 +919,7 @@
             d = mCreateUserDialogController.createDialog(
                     getActivity(),
                     this::startActivityForResult,
-                    UserManager.isMultipleAdminEnabled(),
+                    canCreateAdminUser(),
                     (userName, userIcon, isAdmin) -> {
                         mPendingUserIcon = userIcon;
                         mPendingUserName = userName;
@@ -937,6 +937,19 @@
         return d;
     }
 
+    /**
+     * Checks if the creation of a new admin user is allowed.
+     * @return {@code true} if creating a new admin is allowed, {@code false} otherwise.
+     */
+    private boolean canCreateAdminUser() {
+        if (Flags.unicornModeRefactoringForHsumReadOnly()) {
+            return UserManager.isMultipleAdminEnabled()
+                    && !mUserManager.hasUserRestriction(UserManager.DISALLOW_GRANT_ADMIN);
+        } else {
+            return UserManager.isMultipleAdminEnabled();
+        }
+    }
+
     @Override
     public int getDialogMetricsCategory(int dialogId) {
         switch (dialogId) {
diff --git a/tests/robotests/src/com/android/settings/notification/app/AppChannelsBypassingDndPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/app/AppChannelsBypassingDndPreferenceControllerTest.java
index b8c9b5b..e0381f2 100644
--- a/tests/robotests/src/com/android/settings/notification/app/AppChannelsBypassingDndPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/app/AppChannelsBypassingDndPreferenceControllerTest.java
@@ -50,6 +50,7 @@
 import org.robolectric.shadows.ShadowPausedAsyncTask;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 
 @RunWith(RobolectricTestRunner.class)
@@ -185,12 +186,7 @@
                 NotificationManager.IMPORTANCE_DEFAULT));
 
         ParceledListSlice<NotificationChannelGroup> groups = new ParceledListSlice<>(
-                new ArrayList<NotificationChannelGroup>() {
-                    {
-                        add(group1);
-                        add(group2);
-                    }
-                }
+                Arrays.asList(group1, group2)
         );
 
         when(mBackend.getGroups(eq(mAppRow.pkg), eq(mAppRow.uid))).thenReturn(groups);