Hard reset Acer Iconia B1-721 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 Acer Iconia B1-721 restart.
Hard reset Acer Iconia B1-721 Option 2
1. Need to turn off the smartphone Acer Iconia B1-721
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 Acer Iconia B1-721 restart.
Attention!
To fully perform a complete reset of Acer Iconia B1-721, a battery charge of about 80% is required.
When the reset is completed, all personal applications and data installed in the memory Acer Iconia B1-721 will be erased.