diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index e1b147c..931e282 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -138,7 +138,37 @@
     <string-array translatable="false" name="config_tether_wifi_regexs">
         <item>"wlan0"</item>
     </string-array>
-
+    
+    <!-- List of regexpressions describing the interface (if any) that represent tetherable
+         bluetooth interfaces. If the device doesn't want to support tethering over bluetooth this
+         should be empty. -->
+    <string-array translatable="false" name="config_tether_bluetooth_regexs">
+    	<item>bnep\\d</item>
+    </string-array>
+    
+    
+    <!-- This string array should be overridden by the device to present a list of radio
+         attributes. This is used by the connectivity manager to decide which networks can coexist
+         based on the hardware -->
+    <!-- An Array of "[ConnectivityManager connectionType],
+         [# simultaneous connection types]" -->
+    <string-array translatable="false" name="radioAttributes">
+        <item>"1,1"</item>
+        <item>"0,1"</item>
+        <item>"7,1"</item>
+    </string-array>
+    
+    <!-- Array of ConnectivityManager.TYPE_xxxx values allowable for tethering -->
+    <!-- Common options are [1, 4] for TYPE_WIFI and TYPE_MOBILE_DUN or
+    <!== [0,1,5,7] for TYPE_MOBILE, TYPE_WIFI, TYPE_MOBILE_HIPRI and TYPE_BLUETOOTH -->
+    <integer-array translatable="false" name="config_tether_upstream_types">
+        <item>0</item>
+        <item>1</item>
+        <item>4</item>
+        <item>5</item>
+        <item>7</item>
+    </integer-array>
+    
     <!-- Vibrator pattern for a very short but reliable vibration for soft keyboard tap -->
     <integer-array name="config_keyboardTapVibePattern">
         <item>30</item>