diff --git a/assets/carrier_config_20404.xml b/assets/carrier_config_20404.xml
index 2d8bbbf..d58cf8b 100644
--- a/assets/carrier_config_20404.xml
+++ b/assets/carrier_config_20404.xml
@@ -10,5 +10,6 @@
         <boolean name="broadcast_emergency_call_state_changes_bool" value="true" />
         <string name="carrier_eri_file_name_string">eri_311480.xml</string>
         <int name="carrier_default_wfc_ims_mode_int" value="1"/>
+        <boolean name="editable_wfc_mode_bool" value="false"/>
     </carrier_config>
 </carrier_config_list>