How to factory reset DOOV L9? How to wipe all data in DOOV L9? How to bypass screen lock in DOOV L9? How to restore defaults in DOOV L9?
The following tutorial shows all method of master reset DOOV L9. Check out how to accomplish hard reset by hardware keys and Android 5.1 Lollipop settings. As a result your DOOV L9 will be as new and your MediaTek MT6750T core will run faster.