How to factory reset AVVIO 777? How to wipe all data in AVVIO 777? How to bypass screen lock in AVVIO 777? How to restore defaults in AVVIO 777?
The following tutorial shows all method of master reset AVVIO 777. Check out how to accomplish hard reset by hardware keys and Android 4.4 KitKat settings. As a result your AVVIO 777 will be as new and your MediaTek MT6572 core will run faster.