How to factory reset BLUBOO X4? How to wipe all data in BLUBOO X4? How to bypass screen lock in BLUBOO X4? How to restore defaults in BLUBOO X4?
The following tutorial shows all method of master reset BLUBOO X4. Check out how to accomplish hard reset by hardware keys and Android settings. As a result your BLUBOO X4 will be as new and your MediaTek MT6582M core will run faster.