diff --git a/api/current.txt b/api/current.txt
index 332dc87..7c0311a 100755
--- a/api/current.txt
+++ b/api/current.txt
@@ -42109,6 +42109,7 @@
     field public static final java.lang.String KEY_HIDE_ENHANCED_4G_LTE_BOOL = "hide_enhanced_4g_lte_bool";
     field public static final java.lang.String KEY_HIDE_IMS_APN_BOOL = "hide_ims_apn_bool";
     field public static final java.lang.String KEY_HIDE_PREFERRED_NETWORK_TYPE_BOOL = "hide_preferred_network_type_bool";
+    field public static final java.lang.String KEY_HIDE_PRESET_APN_DETAILS_BOOL = "hide_preset_apn_details_bool";
     field public static final java.lang.String KEY_HIDE_SIM_LOCK_SETTINGS_BOOL = "hide_sim_lock_settings_bool";
     field public static final java.lang.String KEY_IGNORE_SIM_NETWORK_LOCKED_EVENTS_BOOL = "ignore_sim_network_locked_events_bool";
     field public static final java.lang.String KEY_IMS_CONFERENCE_SIZE_LIMIT_INT = "ims_conference_size_limit_int";
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index f69f3e8..45303e0 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -1838,6 +1838,13 @@
             "notify_international_call_on_wfc_bool";
 
     /**
+     * Flag to hide Preset APN details. If true, user cannot enter ApnEditor view of Preset APN,
+     * and cannot view details of the APN. If false, user can enter ApnEditor view of Preset APN.
+     * Default value is false.
+     */
+    public static final String KEY_HIDE_PRESET_APN_DETAILS_BOOL = "hide_preset_apn_details_bool";
+
+    /**
      * Flag specifying whether to show an alert dialog for video call charges.
      * By default this value is {@code false}.
      * @hide
@@ -2605,6 +2612,7 @@
         sDefaults.putBoolean(KEY_DISPLAY_VOICEMAIL_NUMBER_AS_DEFAULT_CALL_FORWARDING_NUMBER_BOOL,
                 false);
         sDefaults.putBoolean(KEY_NOTIFY_INTERNATIONAL_CALL_ON_WFC_BOOL, false);
+        sDefaults.putBoolean(KEY_HIDE_PRESET_APN_DETAILS_BOOL, false);
         sDefaults.putBoolean(KEY_SHOW_VIDEO_CALL_CHARGES_ALERT_DIALOG_BOOL, false);
         sDefaults.putStringArray(KEY_CALL_FORWARDING_BLOCKS_WHILE_ROAMING_STRING_ARRAY,
                 null);