Hard reset TCL Y660 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 TCL Y660 restart.
Hard reset TCL Y660 Option 2
1. Need to turn off the smartphone TCL Y660
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 TCL Y660 restart.
Attention!
To fully perform a complete reset of TCL Y660, a battery charge of about 80% is required.
When the reset is completed, all personal applications and data installed in the memory TCL Y660 will be erased.