How to factory reset GIONEE W909? How to wipe all data in GIONEE W909? How to bypass screen lock in GIONEE W909? How to restore defaults in GIONEE W909?
The following tutorial shows all method of master reset GIONEE W909. Check out how to accomplish Hard Reset by hardware keys and Android 5.1 Lollipop settings. As a result your GIONEE W909 will be as new and your MediaTek Helio P10 (MT6755M) core will run faster.