How to use Safe Mode? How To Boot Into Safe Mode? How to active the Safe Mode in HUAWEI L21 P9 Lite? How to quit the Safe Mode?
Safe mode enables you to power on your device when the third-party apps are disabled. With the safe mode turned on you have no problems removing all tha applications which might be causing any conflicts or software problems.
Read more:
http://www.hardreset.info/devices/huawei/huawei-l21-p9-lite/
آی-ویدئو