res/values/config.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <!-- persist APNs for these PLMNs on db upgrade to version 14 -->
    <string-array name="persist_apns_for_plmn">
        <item>20404</item>
        <item>310004</item>
        <item>310120</item>
        <item>311480</item>
    </string-array>

    <!-- Specify a service to bind to that returns an implementation of the
         IApnSourceService interface.
         (e.g. com.foo/.Bar for the package com.foo and class com.foo.Bar)
         If this value is empty or unparsable, we will apply APNs from the APN
         conf xml file.  -->
    <string name="apn_source_service" translatable="false"></string>

    <!-- Countries, in iso country code format, where WFC entitlement or
         other user action is required before user can turn on WFC setting,
         hence WFC setting should not be restored automatically. -->
    <string-array name="wfc_restore_blocked_countries" translatable="false">
        <item>us</item>
        <item>ca</item>
    </string-array>
</resources>