How to factory reset CHUWI V17S? How to wipe all data in CHUWI V17S? How to bypass screen lock in CHUWI V17S? How to restore defaults in CHUWI V17S?
The following tutorial shows all method of master reset CHUWI V17S. Check out how to accomplish Hard Reset by hardware keys and Android 4.1 Jelly Bean settings. As a result your CHUWI V17S will be as new and your AllWinner A20 core will run faster.