Hard reset Blackview BV4000 Option 1
1. Go to Settings
2. Click on the menu About Phone
3. Next item Storage
4. Then click on Factory data reset
5. Mark opposite Factory Reset and Format disk
6. Click on Start cleaning
7. Reset will complete after Blackview BV4000 restart.
Hard reset Blackview BV4000 Option 2
1. Need to turn off the smartphone Blackview BV4000
2. Press Volume Up + Turn on for a few seconds
3. Stop pressing the buttons when we see the brand logo on the display
4. Click Clear Data
5. Click on Start
6. The reset process will end after Blackview BV4000 restart.
Attention!
To fully perform a complete reset of Blackview BV4000, a battery charge of about 80% is required.
When the reset is completed, all personal applications and data installed in the memory Blackview BV4000 will be erased.