How to factory reset BLACKVIEW A20? How to wipe all data in BLACKVIEW A20? How to bypass screen lock in BLACKVIEW A20? How to restore defaults in BLACKVIEW A20?
The following tutorial shows all method of master reset BLACKVIEW A20. Check out how to accomplish hard reset by hardware keys and Android 8.0 Oreo settings. As a result your BLACKVIEW A20 will be as new and your MediaTek MT6580M core will run faster.
BLACKVIEW A20 Hard Reset / Bypass Lock Screen Solution
Hard Reset BLACKVIEW A20 - Clear eMMC / Remove Lock Screen
How to Hard Reset BLACKVIEW A20 - Factory Reset / Delete Data
Hard Reset will erase all of your data
All described operations you are doing at your own risk.