How to factory reset DOOV A3? How to wipe all data in DOOV A3? How to bypass screen lock in DOOV A3? How to restore defaults in DOOV A3?
The following tutorial shows all method of master reset DOOV A3. Check out how to accomplish hard reset by hardware keys and Android 5.1 Lollipop settings. As a result your DOOV A3 will be as new and your MediaTek MT6735 core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.