diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 2d5c21e..431c7ba 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -26,6 +26,11 @@
 	<bool name="config_unplugTurnsOnScreen">true</bool>
 	<integer name="config_multiuserMaximumUsers">5</integer>
 	<bool name="config_enableMultiUserUI">true</bool>
+    <!-- This device is data-only. -->
+    <bool name="config_voice_capable">false</bool>
+
+    <!-- This device does not allow sms service. -->
+    <bool name="config_sms_capable">false</bool>
 
 	<string name="config_dozeComponent">com.android.systemui/com.android.systemui.doze.DozeService</string>
 	<bool name="config_swipe_up_gesture_setting_available">true</bool>