assets/carrier_config_mccmnc_21409.xml

<?xml version='1.0' encoding='utf-8' standalone='yes' ?>
<carrier_config_list>
    <carrier_config>
        <boolean name="show_4g_for_lte_data_icon_bool" value="true" />
        <string-array name="non_roaming_operator_string_array" num="20">
            <item value="21401" />
            <item value="21402" />
            <item value="21403" />
            <item value="21404" />
            <item value="21405" />
            <item value="21406" />
            <item value="21407" />
            <item value="21408" />
            <item value="214010" />
            <item value="214011" />
            <item value="214012" />
            <item value="214013" />
            <item value="214014" />
            <item value="214015" />
            <item value="214016" />
            <item value="214017" />
            <item value="214018" />
            <item value="214019" />
            <item value="214020" />
            <item value="214021" />
        </string-array>
    </carrier_config>
</carrier_config_list>