diff --git a/overlay/packages/CarrierConfig/res/xml/vendor.xml b/overlay/packages/CarrierConfig/res/xml/vendor.xml
new file mode 100644
index 0000000..cfdd923
--- /dev/null
+++ b/overlay/packages/CarrierConfig/res/xml/vendor.xml
@@ -0,0 +1,10 @@
+<?xml version='1.0' encoding='utf-8' standalone='yes' ?>
+<!-- This is a place for device-specific config values. The format and
+     filtering rules are the same as those in carrier_config*.xml files. This
+     file is read after any specific config file from the assets folder, so it
+     must use explicit filters for MCC ad MNC if that is desired. -->
+<carrier_config_list>
+    <carrier_config mcc="311" mnc="480">
+        <boolean name="apn_expand_bool" value="false" />
+    </carrier_config>
+</carrier_config_list>