You can just navigate to Clear Storage in your StartMenu, enter 1234 as indicated, then allow the phone to go thru the process.
1) Turn Phone Off.
2) Press and hold the two soft Keys at the same time.
3) Turn the phone on (dont let go of the soft keys.
4) When the screen turns on, immediately release the soft keys.
5) A black screen should come up with white text stating to press 0 to reset device...any other key to exit.