diff --git a/akita/overlay/frameworks/base/core/res/res/values/config.xml b/akita/overlay/frameworks/base/core/res/res/values/config.xml
index 8bffd63..02a5921 100644
--- a/akita/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/akita/overlay/frameworks/base/core/res/res/values/config.xml
@@ -285,4 +285,9 @@
     <!-- The maximum range of gamma adjustment possible using the screen
          auto-brightness adjustment setting. -->
     <fraction name="config_autoBrightnessAdjustmentMaxGamma">105%</fraction>
+
+    <!-- MMS user agent string -->
+    <string name="config_mms_user_agent" translatable="false">gkv4x</string>
+    <!-- MMS user agent profile url -->
+    <string name="config_mms_user_agent_profile_url" translatable="false">http://www.gstatic.com/android/sms/GKV4X.xml</string>
 </resources>