u could use the search feature
or...
Soft reset (not destructive) is done by either popping the battery out, or by pressing the ALT/CAP/DEL keys on the kayboard.
Hard reset (destructive) are done one of two ways:
- Options / Security / General - click the menu key and select Wipe Handheld. This will only erase customer data and NOT programs or the OS
- Search for and use JL_CMDER; it contains a program called Javaloader which can completely wipe out a BB; data, apps and the OS.