diff --git a/overlay/packages/apps/CarrierConfig/res/xml/vendor.xml b/overlay/packages/apps/CarrierConfig/res/xml/vendor.xml
index 9e46bba..50edbc4 100644
--- a/overlay/packages/apps/CarrierConfig/res/xml/vendor.xml
+++ b/overlay/packages/apps/CarrierConfig/res/xml/vendor.xml
@@ -1939,6 +1939,10 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.-->
         <boolean name="carrier_volte_available_bool" value="true" />
     </carrier_config>
 
+    <carrier_config mcc="404" mnc="20">
+        <boolean name="carrier_volte_available_bool" value="true" />
+    </carrier_config>
+
     <carrier_config>
         <string-array name="ratchet_rat_families" num="3">
         <item value="1,2" />