diff --git a/core/api/current.txt b/core/api/current.txt
index 43ff0c9..ec8f070 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -45682,6 +45682,7 @@
     field public static final String ACTION_MULTI_SIM_CONFIG_CHANGED = "android.telephony.action.MULTI_SIM_CONFIG_CHANGED";
     field public static final String ACTION_NETWORK_COUNTRY_CHANGED = "android.telephony.action.NETWORK_COUNTRY_CHANGED";
     field @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE) public static final String ACTION_PHONE_STATE_CHANGED = "android.intent.action.PHONE_STATE";
+    field @FlaggedApi("com.android.internal.telephony.flags.reset_mobile_network_settings") public static final String ACTION_RESET_MOBILE_NETWORK_SETTINGS = "android.telephony.action.RESET_MOBILE_NETWORK_SETTINGS";
     field public static final String ACTION_RESPOND_VIA_MESSAGE = "android.intent.action.RESPOND_VIA_MESSAGE";
     field public static final String ACTION_SECRET_CODE = "android.telephony.action.SECRET_CODE";
     field public static final String ACTION_SHOW_VOICEMAIL_NOTIFICATION = "android.telephony.action.SHOW_VOICEMAIL_NOTIFICATION";
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 22a5cd7..9e292be 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -2115,6 +2115,20 @@
     public static final String ACTION_REQUEST_OMADM_CONFIGURATION_UPDATE =
             "com.android.omadm.service.CONFIGURATION_UPDATE";
 
+    /**
+     * Activity action: Show setting to reset mobile networks.
+     *
+     * <p>On devices with a settings activity to reset mobile networks, the activity should be
+     * launched without additional permissions.
+     *
+     * <p>On some devices, this settings activity may not exist. Callers should ensure that this
+     * case is appropriately handled.
+     */
+    @FlaggedApi(Flags.FLAG_RESET_MOBILE_NETWORK_SETTINGS)
+    @SdkConstant(SdkConstant.SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_RESET_MOBILE_NETWORK_SETTINGS =
+            "android.telephony.action.RESET_MOBILE_NETWORK_SETTINGS";
+
     //
     //
     // Device Info