How to factory reset JIAYU F1? How to wipe all data in JIAYU F1? How to bypass screen lock in JIAYU F1? How to restore defaults in JIAYU F1?
The following tutorial shows all method of master reset JIAYU F1. Check out how to accomplish hard reset by hardware keys and Android 4.2 Jelly Bean settings. As a result your JIAYU F1 will be as new and your MediaTek MT6572 core will run faster.