diff --git a/telephony/java/com/android/internal/telephony/PhoneBase.java b/telephony/java/com/android/internal/telephony/PhoneBase.java
index 40a70a806ce13..a0961caaa40de 100644
--- a/telephony/java/com/android/internal/telephony/PhoneBase.java
+++ b/telephony/java/com/android/internal/telephony/PhoneBase.java
@@ -806,10 +806,10 @@ public abstract class PhoneBase extends Handler implements Phone {
         mNotifier.notifyDataConnection(this, reason, apnType, getDataConnectionState(apnType));
     }
 
-    public void notifyDataConnection() {
+    public void notifyDataConnection(String reason) {
         String types[] = getActiveApnTypes();
         for (String apnType : types) {
-            mNotifier.notifyDataConnection(this, null, apnType, getDataConnectionState(apnType));
+            mNotifier.notifyDataConnection(this, reason, apnType, getDataConnectionState(apnType));
         }
     }
 
diff --git a/telephony/java/com/android/internal/telephony/cdma/CdmaLteServiceStateTracker.java b/telephony/java/com/android/internal/telephony/cdma/CdmaLteServiceStateTracker.java
index 0d551aade502d..e96c3dcdfe9e6 100644
--- a/telephony/java/com/android/internal/telephony/cdma/CdmaLteServiceStateTracker.java
+++ b/telephony/java/com/android/internal/telephony/cdma/CdmaLteServiceStateTracker.java
@@ -401,7 +401,7 @@ public class CdmaLteServiceStateTracker extends CdmaServiceStateTracker {
         }
 
         if ((hasCdmaDataConnectionChanged || hasNetworkTypeChanged)) {
-            phone.notifyDataConnection();
+            phone.notifyDataConnection(null);
         }
 
         if (hasRoamingOn) {
diff --git a/telephony/java/com/android/internal/telephony/cdma/CdmaServiceStateTracker.java b/telephony/java/com/android/internal/telephony/cdma/CdmaServiceStateTracker.java
index 24a468a7d2c1b..864943ded2ea4 100755
--- a/telephony/java/com/android/internal/telephony/cdma/CdmaServiceStateTracker.java
+++ b/telephony/java/com/android/internal/telephony/cdma/CdmaServiceStateTracker.java
@@ -999,7 +999,7 @@ public class CdmaServiceStateTracker extends ServiceStateTracker {
         }
 
         if (hasCdmaDataConnectionChanged || hasNetworkTypeChanged) {
-            phone.notifyDataConnection();
+            phone.notifyDataConnection(null);
         }
 
         if (hasRoamingOn) {
diff --git a/telephony/java/com/android/internal/telephony/gsm/GsmServiceStateTracker.java b/telephony/java/com/android/internal/telephony/gsm/GsmServiceStateTracker.java
index 93f4b4ea579ad..d3645faba86fe 100644
--- a/telephony/java/com/android/internal/telephony/gsm/GsmServiceStateTracker.java
+++ b/telephony/java/com/android/internal/telephony/gsm/GsmServiceStateTracker.java
@@ -915,7 +915,7 @@ final class GsmServiceStateTracker extends ServiceStateTracker {
         }
 
         if (hasRadioTechnologyChanged) {
-            phone.notifyDataConnection(Phone.REASON_NW_TYPE_CHANGED, Phone.APN_TYPE_ALL);
+            phone.notifyDataConnection(Phone.REASON_NW_TYPE_CHANGED);
         }
 
         if (hasRoamingOn) {