diff --git a/packages/SettingsLib/src/com/android/settingslib/net/DataUsageUtils.java b/packages/SettingsLib/src/com/android/settingslib/net/DataUsageUtils.java
index de38e8a..b15ea98 100644
--- a/packages/SettingsLib/src/com/android/settingslib/net/DataUsageUtils.java
+++ b/packages/SettingsLib/src/com/android/settingslib/net/DataUsageUtils.java
@@ -18,15 +18,11 @@
 
 import android.content.Context;
 import android.net.NetworkTemplate;
-import android.os.ParcelUuid;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.util.Log;
 
-import java.util.ArrayList;
-import java.util.List;
-
 /**
  * Utils class for data usage
  */
@@ -38,7 +34,7 @@
      */
     public static NetworkTemplate getMobileTemplate(Context context, int subId) {
         final TelephonyManager telephonyManager = context.getSystemService(
-                TelephonyManager.class);
+                TelephonyManager.class).createForSubscriptionId(subId);
         final SubscriptionManager subscriptionManager = context.getSystemService(
                 SubscriptionManager.class);
         final SubscriptionInfo info = subscriptionManager.getActiveSubscriptionInfo(subId);
@@ -49,23 +45,8 @@
             Log.i(TAG, "Subscription is not active: " + subId);
             return mobileAll;
         }
-        final ParcelUuid groupUuid = info.getGroupUuid();
-        if (groupUuid == null) {
-            Log.i(TAG, "Subscription doesn't have valid group uuid: " + subId);
-            return mobileAll;
-        }
 
-        // Otherwise merge other subscriberId to create new NetworkTemplate
-        final List<SubscriptionInfo> groupInfos = subscriptionManager.getSubscriptionsInGroup(
-                groupUuid);
-        final List<String> mergedSubscriberIds = new ArrayList<>();
-        for (SubscriptionInfo subInfo : groupInfos) {
-            final String subscriberId = telephonyManager.getSubscriberId(
-                    subInfo.getSubscriptionId());
-            if (subscriberId != null) {
-                mergedSubscriberIds.add(subscriberId);
-            }
-        }
-        return NetworkTemplate.normalize(mobileAll, mergedSubscriberIds.toArray(new String[0]));
+        // Use old API to build networkTemplate
+        return NetworkTemplate.normalize(mobileAll, telephonyManager.getMergedSubscriberIds());
     }
 }
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/net/DataUsageUtilsTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/net/DataUsageUtilsTest.java
index dc33cfe..821c0b3 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/net/DataUsageUtilsTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/net/DataUsageUtilsTest.java
@@ -44,7 +44,6 @@
 public class DataUsageUtilsTest {
 
     private static final int SUB_ID = 1;
-    private static final int SUB_ID_2 = 2;
     private static final String SUBSCRIBER_ID = "Test Subscriber";
     private static final String SUBSCRIBER_ID_2 = "Test Subscriber 2";
 
@@ -67,11 +66,11 @@
 
         mContext = spy(RuntimeEnvironment.application);
         when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);
+        when(mTelephonyManager.createForSubscriptionId(SUB_ID)).thenReturn(mTelephonyManager);
         when(mContext.getSystemService(SubscriptionManager.class)).thenReturn(mSubscriptionManager);
         when(mTelephonyManager.getSubscriberId(SUB_ID)).thenReturn(SUBSCRIBER_ID);
-        when(mTelephonyManager.getSubscriberId(SUB_ID_2)).thenReturn(SUBSCRIBER_ID_2);
-        when(mInfo1.getSubscriptionId()).thenReturn(SUB_ID);
-        when(mInfo2.getSubscriptionId()).thenReturn(SUB_ID_2);
+        when(mTelephonyManager.getMergedSubscriberIds()).thenReturn(
+                new String[]{SUBSCRIBER_ID, SUBSCRIBER_ID_2});
 
         mInfos = new ArrayList<>();
         mInfos.add(mInfo1);
@@ -89,17 +88,7 @@
     }
 
     @Test
-    public void getMobileTemplate_groupUuidNull_returnMobileAll() {
-        when(mSubscriptionManager.getActiveSubscriptionInfo(SUB_ID)).thenReturn(mInfo1);
-        when(mInfo1.getGroupUuid()).thenReturn(null);
-
-        final NetworkTemplate networkTemplate = DataUsageUtils.getMobileTemplate(mContext, SUB_ID);
-        assertThat(networkTemplate.matchesSubscriberId(SUBSCRIBER_ID)).isTrue();
-        assertThat(networkTemplate.matchesSubscriberId(SUBSCRIBER_ID_2)).isFalse();
-    }
-
-    @Test
-    public void getMobileTemplate_groupUuidExist_returnMobileMerged() {
+    public void getMobileTemplate_infoExisted_returnMobileMerged() {
         when(mSubscriptionManager.getActiveSubscriptionInfo(SUB_ID)).thenReturn(mInfo1);
         when(mInfo1.getGroupUuid()).thenReturn(mParcelUuid);