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 NEC MobilePro 790
- Remove the stylus from its holder and open the display panel.
- Power on the device.
- Locate the soft reset button on the bottom of the device.
- Using the stylus, press the soft reset button. (You may need to press the button more than once.) This resets the unit.
- Remove and insert the battery into your device.
- Switch on the device.