Nougat 7.1  |  7.1.1_r28
Xml文件  |  7行  |  198 B 

<?xml version='1.0' encoding='utf-8' standalone='yes' ?>
<carrier_config_list>
<carrier_config>
<boolean name="carrier_volte_available_bool" value="true" />
</carrier_config>
</carrier_config_list>