How To Hard Reset Huawei L21 P9 Lite Online
The phone will reboot and erase everything. This takes about 2-5 minutes. Use this method if you forgot your screen lock, password, or the phone is stuck on the logo screen.
If your Huawei P9 Lite L21 has a Google account on it, you must know that password after the reset, or the phone will lock itself. This is an anti-theft feature. How to Hard Reset HUAWEI L21 P9 Lite
Read the warning list. Tap RESET PHONE . The phone will reboot and erase everything