Hard reset DEXP B255 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 DEXP B255 restart.
Hard reset DEXP B255 Option 2
1. Need to turn off the smartphone DEXP B255
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 DEXP B255 restart.
Attention!
To fully perform a complete reset of DEXP B255, a battery charge of about 80% is required.
When the reset is completed, all personal applications and data installed in the memory DEXP B255 will be erased.