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 HTC Cheetah
Use the stylus tip to press the Reset button. Your device restarts and displays the Home screen.
- Press and hold the END (red power) key while pressing the pin reset button
- Continue holding the power button until you see the "Erase all data" prompt
- Push up on the 5-way to answer "yes" and wait until done