How to factory reset BLUBOO X9? How to wipe all data in BLUBOO X9? How to bypass screen lock in BLUBOO X9? How to restore defaults in BLUBOO X9?
The following tutorial shows all method of master reset BLUBOO X9. Check out how to accomplish hard reset by hardware keys and Android 5.1 Lollipop settings. As a result your BLUBOO X9 will be as new and your MediaTek MT6753 core will run faster.