diff --git a/core/java/android/telephony/TelephonyRegistryManager.java b/core/java/android/telephony/TelephonyRegistryManager.java
index c706e2179f192..f1fed0b5ec960 100644
--- a/core/java/android/telephony/TelephonyRegistryManager.java
+++ b/core/java/android/telephony/TelephonyRegistryManager.java
@@ -786,6 +786,21 @@ public class TelephonyRegistryManager {
         }
     }
 
+    /**
+     * Notify that the data enabled has changed.
+     *
+     * @param enabled True if data is enabled, otherwise disabled.
+     * @param reason Reason for data enabled/disabled. See {@code REASON_*} in
+     * {@link TelephonyManager}.
+     */
+    public void notifyDataEnabled(boolean enabled, @TelephonyManager.DataEnabledReason int reason) {
+        try {
+            sRegistry.notifyDataEnabled(enabled, reason);
+        } catch (RemoteException ex) {
+            // system server crash
+        }
+    }
+
     public @NonNull Set<Integer> getEventsFromListener(@NonNull PhoneStateListener listener) {
 
         Set<Integer> eventList = new ArraySet<>();
diff --git a/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl b/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl
index ae1657b051e6e..c9ea2dc2409d0 100644
--- a/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl
+++ b/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl
@@ -95,4 +95,5 @@ interface ITelephonyRegistry {
     void notifyBarringInfoChanged(int slotIndex, int subId, in BarringInfo barringInfo);
     void notifyPhysicalChannelConfigForSubscriber(in int subId,
             in List<PhysicalChannelConfig> configs);
+    void notifyDataEnabled(boolean enabled, int reason);
 }
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index ba52aee24dc2c..4a81793dba54e 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -2362,6 +2362,40 @@ public class TelephonyRegistry extends ITelephonyRegistry.Stub {
         }
     }
 
+    /**
+     * Notify that the data enabled has changed.
+     *
+     * @param enabled True if data is enabled, otherwise disabled.
+     * @param reason  Reason for data enabled/disabled. See {@code DATA_*} in
+     *                {@link TelephonyManager}.
+     */
+    public void notifyDataEnabled(boolean enabled,
+                                  @TelephonyManager.DataEnabledReason int reason) {
+        if (!checkNotifyPermission("notifyDataEnabled()")) {
+            return;
+        }
+
+        if (VDBG) {
+            log("notifyDataEnabled: enabled=" + enabled + " reason=" + reason);
+        }
+
+        mIsDataEnabled = enabled;
+        mDataEnabledReason = reason;
+        synchronized (mRecords) {
+            for (Record r : mRecords) {
+                if (r.matchPhoneStateListenerEvent(
+                        PhoneStateListener.EVENT_DATA_ENABLED_CHANGED)) {
+                    try {
+                        r.callback.onDataEnabledChanged(enabled, reason);
+                    } catch (RemoteException ex) {
+                        mRemoveList.add(r.binder);
+                    }
+                }
+            }
+            handleRemoveListLocked();
+        }
+    }
+
     @Override
     public void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
         final IndentingPrintWriter pw = new IndentingPrintWriter(writer, "  ");
@@ -2414,6 +2448,8 @@ public class TelephonyRegistry extends ITelephonyRegistry.Stub {
             pw.println("mDefaultPhoneId=" + mDefaultPhoneId);
             pw.println("mDefaultSubId=" + mDefaultSubId);
             pw.println("mPhysicalChannelConfigs=" + mPhysicalChannelConfigs);
+            pw.println("mIsDataEnabled=" + mIsDataEnabled);
+            pw.println("mDataEnabledReason=" + mDataEnabledReason);
 
             pw.decreaseIndent();