diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index 2e16dfe..b96779a 100755
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -91,6 +91,7 @@
 import android.telephony.VisualVoicemailSmsFilterSettings;
 import android.telephony.cdma.CdmaCellLocation;
 import android.telephony.data.ApnSetting;
+import android.telephony.data.ApnSetting.ApnType;
 import android.telephony.emergency.EmergencyNumber;
 import android.telephony.gsm.GsmCellLocation;
 import android.telephony.ims.ProvisioningManager;
@@ -7045,8 +7046,7 @@
             Phone phone = getPhone(subId);
             if (phone == null) return false;
 
-            boolean isMetered = ApnSettingUtils.isMeteredApnType(ApnSetting.getApnTypeString(
-                    apnType), phone);
+            boolean isMetered = ApnSettingUtils.isMeteredApnType(apnType, phone);
             return !isMetered || phone.getDataEnabledSettings().isDataEnabled(apnType);
         } finally {
             Binder.restoreCallingIdentity(identity);
@@ -7054,7 +7054,7 @@
     }
 
     @Override
-    public boolean isApnMetered(int apnType, int subId) {
+    public boolean isApnMetered(@ApnType int apnType, int subId) {
         enforceReadPrivilegedPermission("isApnMetered");
 
         // Now that all security checks passes, perform the operation as ourselves.
@@ -7063,8 +7063,7 @@
             Phone phone = getPhone(subId);
             if (phone == null) return true; // By default return true.
 
-            return ApnSettingUtils.isMeteredApnType(ApnSetting.getApnTypeString(
-                    apnType), phone);
+            return ApnSettingUtils.isMeteredApnType(apnType, phone);
         } finally {
             Binder.restoreCallingIdentity(identity);
         }