Hard reset Vivo Z1i 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 Vivo Z1i restart.
Hard reset Vivo Z1i Option 2
1. Need to turn off the smartphone Vivo Z1i
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 Vivo Z1i restart.
To fully perform a complete reset of Vivo Z1i, a battery charge of about 80% is required.
When the reset is completed, all personal applications and data installed in the memory Vivo Z1i will be erased.