Hard Reset HTC Wildfire S

1. Remove and insert battery into your phone.
2. Now press and hold Volume Down + Power button until you see menu of Bootloader.
   
3. Next scroll to option "FACTORY RESET" using Volume Down key, and accept this withPower button.
4. Then wait until your phone restarts.

WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.