diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 135a97a66049f..4a04cf1544061 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -378,6 +378,12 @@ public class CarrierConfigManager {
      */
     public static final String KEY_HIDE_IMS_APN_BOOL = "hide_ims_apn_bool";
 
+    /**
+     * Determine whether preferred network type can be shown.
+     * @hide
+     */
+    public static final String KEY_HIDE_PREFERRED_NETWORK_TYPE_BOOL = "hide_preferred_network_type_bool";
+
     /**
      * If this is true, the SIM card (through Customer Service Profile EF file) will be able to
      * prevent manual operator selection. If false, this SIM setting will be ignored and manual
@@ -490,6 +496,7 @@ public class CarrierConfigManager {
         sDefaults.putBoolean(KEY_SUPPORT_CONFERENCE_CALL_BOOL, true);
         sDefaults.putBoolean(KEY_EDITABLE_ENHANCED_4G_LTE_BOOL, true);
         sDefaults.putBoolean(KEY_HIDE_IMS_APN_BOOL, false);
+        sDefaults.putBoolean(KEY_HIDE_PREFERRED_NETWORK_TYPE_BOOL, false);
 
         // MMS defaults
         sDefaults.putBoolean(KEY_MMS_ALIAS_ENABLED_BOOL, false);