Hard Reset SHARP 641
- Press Power button, until your phone is on.
- Now press Menu button, and goto Settings -> Master Reset -> Reset All.
- Afterwards enter your phone code, and press OK.
* The default phone code is: 0000 or 000000.
- Then your handset will reset and reboots.
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.