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 HP iPAQ h3975
Insert the stylus into the unit reset switch at the bottom of your device.
Warning: When a full reset is done all data stored in memory including contacts, calendar entries and installed program will be erased. Make sure to back up any important information before performing a full reset.
- Press and hold the two outside application buttons.
- Insert the stylus into the unit reset switch at the bottom of your device.
- Press the switch for five seconds.
- To reactivate your device, insert the stylus into the unit reset switch and press the switch for one second or connect your device to the AC adapter.