How to factory reset AVVIO 774? How to wipe all data in AVVIO 774? How to bypass screen lock in AVVIO 774? How to restore defaults in AVVIO 774?
The following tutorial shows all method of master reset AVVIO 774. Check out how to accomplish hard reset by hardware keys and Android 4.4 KitKat settings. As a result your AVVIO 774 will be as new and your MediaTek MT6572M core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.