diff --git a/core/res/res/values-mcc404/config.xml b/core/res/res/values-mcc404/config.xml
index 6b77e9c..4cadef7 100644
--- a/core/res/res/values-mcc404/config.xml
+++ b/core/res/res/values-mcc404/config.xml
@@ -20,4 +20,6 @@
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <!-- Whether camera shutter sound is forced or not  (country specific). -->
     <bool name="config_camera_sound_forced">true</bool>
+    <!-- Show area update info settings in CellBroadcastReceiver and information in SIM status in Settings app -->
+    <bool name="config_showAreaUpdateInfoSettings">true</bool>
 </resources>
diff --git a/core/res/res/values-mcc724/config.xml b/core/res/res/values-mcc724/config.xml
new file mode 100644
index 0000000..98f70d5
--- /dev/null
+++ b/core/res/res/values-mcc724/config.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2017, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <!-- Show area update info settings in CellBroadcastReceiver and information in SIM status in Settings app -->
+    <bool name="config_showAreaUpdateInfoSettings">true</bool>
+</resources>
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 7849245..16eb216 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -2975,4 +2975,7 @@
     <!-- Decide whether to display 'No service' on status bar instead of 'Emergency calls only'
          when SIM is unready. -->
     <bool name="config_display_no_service_when_sim_unready">false</bool>
+
+    <!-- Show area update info settings in CellBroadcastReceiver and information in SIM status in Settings app -->
+    <bool name="config_showAreaUpdateInfoSettings">false</bool>
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 4724399..085beca 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -3039,4 +3039,5 @@
   <java-symbol type="array" name="config_batteryPackageTypeService" />
 
   <java-symbol type="bool" name="config_display_no_service_when_sim_unready" />
+  <java-symbol type="bool" name="config_showAreaUpdateInfoSettings" />
 </resources>
diff --git a/telephony/java/com/android/internal/telephony/gsm/SmsCbConstants.java b/telephony/java/com/android/internal/telephony/gsm/SmsCbConstants.java
index f28d126..0fabc2f 100644
--- a/telephony/java/com/android/internal/telephony/gsm/SmsCbConstants.java
+++ b/telephony/java/com/android/internal/telephony/gsm/SmsCbConstants.java
@@ -30,10 +30,6 @@
     /** Private constructor for utility class. */
     private SmsCbConstants() { }
 
-    /** Channel 50 required by Brazil. ID 0~999 is allocated by GSMA */
-    public static final int MESSAGE_ID_GSMA_ALLOCATED_CHANNEL_50
-            = 0x0032;
-
     /** Start of PWS Message Identifier range (includes ETWS and CMAS). */
     public static final int MESSAGE_ID_PWS_FIRST_IDENTIFIER
             = 0x1100; // 4352