diff --git a/core/res/res/values-mcc238-mnc06/config.xml b/core/res/res/values-mcc238-mnc06/config.xml
new file mode 100644
index 0000000..afc0cc4
--- /dev/null
+++ b/core/res/res/values-mcc238-mnc06/config.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2014, 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">
+    <!-- SIM does not save, but the voice mail number to be changed. -->
+    <bool name="editable_voicemailnumber">true</bool>
+</resources>
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 6ac8c88..32d9f85 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -1811,4 +1811,7 @@
 
     <!-- Sprint need a 70 ms delay for 3way call -->
     <integer name="config_cdma_3waycall_flash_delay">0</integer>
+
+    <!--SIM does not save, but the voice mail number to be changed. -->
+    <bool name="editable_voicemailnumber">false</bool>
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index ea7188d..ed43faf 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -322,6 +322,7 @@
   <java-symbol type="integer" name="config_wifi_framework_wifi_score_bad_link_speed_5" />
   <java-symbol type="integer" name="config_wifi_framework_wifi_score_good_link_speed_24" />
   <java-symbol type="integer" name="config_wifi_framework_wifi_score_good_link_speed_5" />
+  <java-symbol type="bool" name="editable_voicemailnumber" />
 
   <java-symbol type="bool" name="config_wifi_framework_cellular_handover_enable_user_triggered_adjustment" />
   <java-symbol type="integer" name="config_wifi_framework_associated_full_scan_tx_packet_threshold" />