diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index f6fbffa..cd4509a 100755
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -151,6 +151,7 @@
 import com.android.internal.telephony.euicc.EuiccConnector;
 import com.android.internal.telephony.ims.ImsResolver;
 import com.android.internal.telephony.metrics.TelephonyMetrics;
+import com.android.internal.telephony.uicc.IccCardApplicationStatus.AppType;
 import com.android.internal.telephony.uicc.IccIoResult;
 import com.android.internal.telephony.uicc.IccUtils;
 import com.android.internal.telephony.uicc.SIMRecords;
@@ -159,7 +160,6 @@
 import com.android.internal.telephony.uicc.UiccController;
 import com.android.internal.telephony.uicc.UiccProfile;
 import com.android.internal.telephony.uicc.UiccSlot;
-import com.android.internal.telephony.uicc.IccCardApplicationStatus.AppType;
 import com.android.internal.telephony.util.VoicemailNotificationSettingsUtil;
 import com.android.internal.util.HexDump;
 import com.android.phone.settings.PickSmsSubscriptionActivity;
@@ -1950,7 +1950,15 @@
     }
 
     @Override
-    public String getNetworkCountryIsoForPhone(int phoneId) {
+    public String getNetworkCountryIsoForPhone(int phoneId, String callingPackage) {
+        if (!TextUtils.isEmpty(callingPackage)) {
+            final int subId = mSubscriptionController.getSubIdUsingPhoneId(phoneId);
+            if (!TelephonyPermissions.checkCallingOrSelfReadPhoneState(
+                    mApp, subId, callingPackage, "getNetworkCountryIsoForPhone")) {
+                return "";
+            }
+        }
+
         // Reporting the correct network country is ambiguous when IWLAN could conflict with
         // registered cell info, so return a NULL country instead.
         final long identity = Binder.clearCallingIdentity();