diff --git a/src/com/android/phone/CallFeaturesSetting.java b/src/com/android/phone/CallFeaturesSetting.java
index c753b3c..a7e0935 100644
--- a/src/com/android/phone/CallFeaturesSetting.java
+++ b/src/com/android/phone/CallFeaturesSetting.java
@@ -263,6 +263,7 @@
         }
 
         if (ImsManager.isVtEnabledByPlatform(mPhone.getContext()) &&
+                ImsManager.isVtProvisionedOnDevice(mPhone.getContext()) &&
                 mPhone.mDcTracker.isDataEnabled(true)) {
             boolean currentValue =
                     ImsManager.isEnhanced4gLteModeSettingEnabledByUser(mPhone.getContext())