How to factory reset BLACKVIEW BV5800? How to wipe all data in BLACKVIEW BV5800? How to bypass screen lock in BLACKVIEW BV5800? How to restore defaults in BLACKVIEW BV5800?
The following tutorial shows all method of master reset BLACKVIEW BV5800. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your BLACKVIEW BV5800 will be as new and your MediaTek MT6739 core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.