How to factory reset KEIAN M901S? How to wipe all data in KEIAN M901S? How to bypass screen lock in KEIAN M901S? How to restore defaults in KEIAN M901S?
The following tutorial shows all method of master reset KEIAN M901S. Check out how to accomplish Hard Reset by hardware keys and Android 4.1 Jelly Bean settings. As a result your KEIAN M901S will be as new and your ATM7021 core will run faster.