How to factory reset DOOV A19? How to wipe all data in DOOV A19? How to bypass screen lock in DOOV A19? How to restore defaults in DOOV A19?
The following tutorial shows all method of master reset DOOV A19. Check out how to accomplish hard reset by hardware keys and Android 5.1 Lollipop settings. As a result your DOOV A19 will be as new and your MediaTek MT6737 core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.