How to factory reset NUBIA M3? How to wipe all data in NUBIA M3? How to bypass screen lock in NUBIA M3? How to restore defaults in NUBIA M3?
The following tutorial shows all method of master reset NUBIA M3. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your NUBIA M3 will be as new and your Qualcomm Snapdragon 660 MSM8976 Plus core will run faster.
Nubia M2 Hard Reset - video