Hard Reset ZTE I620
- Turn on the device
- Select emergency dial, and type this: *983*22387#
- Select option: Erase Everything.
- Please power on the phone.
- From the home screen select Menu -> Settings -> Privacy -> Factory data reset -> Reset phone -> Erase everything.
- Next your phone will restore and reboot.
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.