Blackberry How to factory reset your device.

Here's how to FACTORY RESET the device.

Install Blackberry Desktop Manager on a PC.  Connect the Blackberry to the PC with a USB cable.

From a DOS prompt (command) window on the users PC (from Start - Run  type cmd <OK>  then change directory path to:

C:\Program Files\Common Files\Research In Motion\Apploader     by typing cd\ (enter)  followed by cd Program Files (enter) then cd Common Files (enter)  etc etc

Run the command:   Loader.exe /resettofactory

That will bring the Blackberry back to the state it should be in when you get a brand new one out of the box.