diff --git a/src/com/android/phone/settings/RadioInfo.java b/src/com/android/phone/settings/RadioInfo.java
index 579a853..abc7289 100644
--- a/src/com/android/phone/settings/RadioInfo.java
+++ b/src/com/android/phone/settings/RadioInfo.java
@@ -1414,7 +1414,9 @@
     }
 
     private void updateNetworkType() {
-        if (SubscriptionManager.isValidPhoneId(mPhoneId)) {
+        SubscriptionManager mSm = getSystemService(SubscriptionManager.class);
+        if (SubscriptionManager.isValidPhoneId(mPhoneId)
+                && mSm.isActiveSubscriptionId(mSubId)) {
             mDataNetwork.setText(ServiceState.rilRadioTechnologyToString(
                     mTelephonyManager.getServiceStateForSlot(mPhoneId)
                             .getRilDataRadioTechnology()));