Before you give your handset to repair shop or buy new handset, please try the following procedure to repair your device. First charge your battery more then 70%, backup your important data like phone-book, message, email, images and settings and in most cases take out SIM card and SD card. After doing hard reset not possible to recover your data, so online backup is always important. For all of your data, a backup should be done on a external device, hard drive, raid system media or SD card.
How to Hard Reset Lenovo K800
Reset Via settings
- Power on the handset.
- From the Home screen, press the Menu key and touch Settings -> Backup & reset -> Factory data reset -> Reset phone -> Erase everything.
- After that your phone will reset and restart.