http://android.stackexchange.com/questions/117125/how-do-i-add-an-apn-via-adb
xiaomi3 su mount permission denied:
http://android.stackexchange.com/questions/117125/how-do-i-add-an-apn-via-adb
xiaomi3 su mount permission denied:
转载于:https://www.cnblogs.com/iamgoodman/p/5123959.html