diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 7f6e123ce69e0..018377e870a46 100755
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -504,6 +504,15 @@ public class CarrierConfigManager {
      */
     public static final String KEY_CARRIER_VT_AVAILABLE_BOOL = "carrier_vt_available_bool";
 
+    /**
+     * Flag specifying whether to show an alert dialog for 5G disable when the user disables VoLTE.
+     * By default this value is {@code false}.
+     *
+     * @hide
+     */
+    public static final String KEY_VOLTE_5G_LIMITED_ALERT_DIALOG_BOOL =
+            "volte_5g_limited_alert_dialog_bool";
+
     /**
      * Flag specifying whether the carrier wants to notify the user when a VT call has been handed
      * over from WIFI to LTE.
@@ -3693,6 +3702,7 @@ public class CarrierConfigManager {
         sDefaults.putBoolean(KEY_CARRIER_SETTINGS_ENABLE_BOOL, false);
         sDefaults.putBoolean(KEY_CARRIER_VOLTE_AVAILABLE_BOOL, false);
         sDefaults.putBoolean(KEY_CARRIER_VT_AVAILABLE_BOOL, false);
+        sDefaults.putBoolean(KEY_VOLTE_5G_LIMITED_ALERT_DIALOG_BOOL, false);
         sDefaults.putBoolean(KEY_NOTIFY_HANDOVER_VIDEO_FROM_WIFI_TO_LTE_BOOL, false);
         sDefaults.putBoolean(KEY_ALLOW_MERGING_RTT_CALLS_BOOL, false);
         sDefaults.putBoolean(KEY_NOTIFY_HANDOVER_VIDEO_FROM_LTE_TO_WIFI_BOOL, false);