diff --git a/src/com/android/settings/network/telephony/MobileNetworkActivity.java b/src/com/android/settings/network/telephony/MobileNetworkActivity.java
index e20032f61ee..9912b4e9b61 100644
--- a/src/com/android/settings/network/telephony/MobileNetworkActivity.java
+++ b/src/com/android/settings/network/telephony/MobileNetworkActivity.java
@@ -23,6 +23,7 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Bundle;
 import android.provider.Settings;
+import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.view.Menu;
@@ -93,13 +94,18 @@ public class MobileNetworkActivity extends SettingsBaseActivity {
             setContentView(R.layout.mobile_network_settings_container);
         }
         setActionBar(findViewById(R.id.mobile_action_bar));
-        mPhoneChangeReceiver = new PhoneChangeReceiver(this, () -> {
-            if (mCurSubscriptionId != SUB_ID_NULL) {
-                // When the radio changes (ex: CDMA->GSM), refresh the fragment.
-                // This is very rare.
+        mPhoneChangeReceiver = new PhoneChangeReceiver(this, new PhoneChangeReceiver.Client() {
+            @Override
+            public void onPhoneChange() {
+                // When the radio or carrier config changes (ex: CDMA->GSM), refresh the fragment.
                 switchFragment(new MobileNetworkSettings(), mCurSubscriptionId,
                         true /* forceUpdate */);
             }
+
+            @Override
+            public int getSubscriptionId() {
+                return mCurSubscriptionId;
+            }
         });
         mSubscriptionManager = getSystemService(SubscriptionManager.class);
         mSubscriptionInfos = mSubscriptionManager.getActiveSubscriptionInfoList(true);
@@ -250,14 +256,12 @@ public class MobileNetworkActivity extends SettingsBaseActivity {
 
     @VisibleForTesting
     static class PhoneChangeReceiver extends BroadcastReceiver {
-        private static final IntentFilter RADIO_TECHNOLOGY_CHANGED_FILTER = new IntentFilter(
-                TelephonyIntents.ACTION_RADIO_TECHNOLOGY_CHANGED);
-
         private Context mContext;
         private Client mClient;
 
         interface Client {
             void onPhoneChange();
+            int getSubscriptionId();
         }
 
         public PhoneChangeReceiver(Context context, Client client) {
@@ -266,7 +270,10 @@ public class MobileNetworkActivity extends SettingsBaseActivity {
         }
 
         public void register() {
-            mContext.registerReceiver(this, RADIO_TECHNOLOGY_CHANGED_FILTER);
+            final IntentFilter intentFilter = new IntentFilter();
+            intentFilter.addAction(TelephonyIntents.ACTION_RADIO_TECHNOLOGY_CHANGED);
+            intentFilter.addAction(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED);
+            mContext.registerReceiver(this, intentFilter);
         }
 
         public void unregister() {
@@ -275,9 +282,17 @@ public class MobileNetworkActivity extends SettingsBaseActivity {
 
         @Override
         public void onReceive(Context context, Intent intent) {
-            if (!isInitialStickyBroadcast()) {
-                mClient.onPhoneChange();
+            if (isInitialStickyBroadcast()) {
+                return;
             }
+            if (intent.getAction().equals(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED)) {
+                if (!intent.hasExtra(CarrierConfigManager.EXTRA_SUBSCRIPTION_INDEX) ||
+                        intent.getIntExtra(CarrierConfigManager.EXTRA_SUBSCRIPTION_INDEX, -1)
+                                != mClient.getSubscriptionId()) {
+                    return;
+                }
+            }
+            mClient.onPhoneChange();
         }
     }
 }
diff --git a/tests/robotests/src/com/android/settings/network/telephony/MobileNetworkActivityTest.java b/tests/robotests/src/com/android/settings/network/telephony/MobileNetworkActivityTest.java
index e43655b32d1..43897d503d9 100644
--- a/tests/robotests/src/com/android/settings/network/telephony/MobileNetworkActivityTest.java
+++ b/tests/robotests/src/com/android/settings/network/telephony/MobileNetworkActivityTest.java
@@ -22,7 +22,10 @@ import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -31,6 +34,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.provider.Settings;
+import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
@@ -161,19 +165,56 @@ public class MobileNetworkActivityTest {
     @Test
     public void phoneChangeReceiver_ignoresStickyBroadcastFromBeforeRegistering() {
         Activity activity = Robolectric.setupActivity(Activity.class);
-        final int[] onChangeCallbackCount = {0};
+        MobileNetworkActivity.PhoneChangeReceiver.Client client = mock(
+                MobileNetworkActivity.PhoneChangeReceiver.Client.class);
         MobileNetworkActivity.PhoneChangeReceiver receiver =
-                new MobileNetworkActivity.PhoneChangeReceiver(activity, () -> {
-                    onChangeCallbackCount[0]++;
-                });
+                new MobileNetworkActivity.PhoneChangeReceiver(activity, client);
         Intent intent = new Intent(TelephonyIntents.ACTION_RADIO_TECHNOLOGY_CHANGED);
         activity.sendStickyBroadcast(intent);
 
         receiver.register();
-        assertThat(onChangeCallbackCount[0]).isEqualTo(0);
+        verify(client, never()).onPhoneChange();
 
         activity.sendStickyBroadcast(intent);
-        assertThat(onChangeCallbackCount[0]).isEqualTo(1);
+        verify(client, times(1)).onPhoneChange();
+    }
+
+    @Test
+    public void phoneChangeReceiver_ignoresCarrierConfigChangeForWrongSubscriptionId() {
+        Activity activity = Robolectric.setupActivity(Activity.class);
+
+        MobileNetworkActivity.PhoneChangeReceiver.Client client = mock(
+                MobileNetworkActivity.PhoneChangeReceiver.Client.class);
+        doReturn(2).when(client).getSubscriptionId();
+
+        MobileNetworkActivity.PhoneChangeReceiver receiver =
+                new MobileNetworkActivity.PhoneChangeReceiver(activity, client);
+
+        receiver.register();
+
+        Intent intent = new Intent(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED);
+        intent.putExtra(CarrierConfigManager.EXTRA_SUBSCRIPTION_INDEX, 3);
+        activity.sendBroadcast(intent);
+        verify(client, never()).onPhoneChange();
+    }
+
+    @Test
+    public void phoneChangeReceiver_dispatchesCarrierConfigChangeForCorrectSubscriptionId() {
+        Activity activity = Robolectric.setupActivity(Activity.class);
+
+        MobileNetworkActivity.PhoneChangeReceiver.Client client = mock(
+                MobileNetworkActivity.PhoneChangeReceiver.Client.class);
+        doReturn(2).when(client).getSubscriptionId();
+
+        MobileNetworkActivity.PhoneChangeReceiver receiver =
+                new MobileNetworkActivity.PhoneChangeReceiver(activity, client);
+
+        receiver.register();
+
+        Intent intent = new Intent(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED);
+        intent.putExtra(CarrierConfigManager.EXTRA_SUBSCRIPTION_INDEX, 2);
+        activity.sendBroadcast(intent);
+        verify(client).onPhoneChange();
     }