Reset your iPhone forgotten password.

According to iBlogeek, they have developed an application that can reset the password. Application known as RMPassword comes with graphical interface.

This application which runs in Mac OS X only can be downloaded from the following link.
http://www.iBlogeek.com/downloads/RMPassword.zip
Your iPhone needs to be jailbroken, should have OpenSSH installed and, of course, with WiFi on in order to work with this application.
Courtesy of: IBlogeek.com