Hard reset NUU Mobile A4L 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 NUU Mobile A4L restart.
Hard reset NUU Mobile A4L Option 2
1. Need to turn off the smartphone NUU Mobile A4L
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 NUU Mobile A4L restart.
Attention!
To fully perform a complete reset of NUU Mobile A4L, a battery charge of about 80% is required.
When the reset is completed, all personal applications and data installed in the memory NUU Mobile A4L will be erased.