How to factory reset BLU Grand M3? How to wipe all data in BLU Grand M3? How to bypass screen lock in BLU Grand M3? How to restore defaults in BLU Grand M3?
The following tutorial shows all method of master reset BLU Grand M3. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your BLU Grand M3 will be as new and your MediaTek MT6739 core will run faster.
Hard Reset BLU Bold or Studio XL - video