diff --git a/src/com/android/settings/network/MobileNetworkSummaryController.java b/src/com/android/settings/network/MobileNetworkSummaryController.java
index f2e28a33888..bd28e70255d 100644
--- a/src/com/android/settings/network/MobileNetworkSummaryController.java
+++ b/src/com/android/settings/network/MobileNetworkSummaryController.java
@@ -33,9 +33,9 @@ import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
+import com.android.settings.activityembedding.ActivityEmbeddingRulesController;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.dashboard.DashboardFragment;
-import com.android.settings.network.helper.SelectableSubscriptions;
 import com.android.settings.network.helper.SubscriptionAnnotation;
 import com.android.settings.network.telephony.MobileNetworkActivity;
 import com.android.settings.overlay.FeatureFactory;
@@ -202,6 +202,12 @@ public class MobileNetworkSummaryController extends AbstractPreferenceController
                         || mStatusCache.isPhysicalSimDisableSupport()) {
                     final Intent intent = new Intent(mContext, MobileNetworkActivity.class);
                     intent.putExtra(Settings.EXTRA_SUB_ID, info.getSubscriptionId());
+                    //  MobilenetworkActivity is singleTask, set SplitPairRule to show in 2-pane.
+                    ActivityEmbeddingRulesController.registerTwoPanePairRuleForSettingsHome(
+                            mContext,
+                            intent.getComponent(),
+                            null /* secondaryIntentAction */,
+                            false /* clearTop */);
                     mContext.startActivity(intent);
                     return true;
                 }