For this your iphone must jail breakon with redsnow.
..IF jailbreak with other tools.like spirit or jailbrekme.com or laimra1n....install afc2add...with cydia..then you di it....
Q-how i can install afc2add?
A-Go cydia/search/ write afc2add then install it...
(note)If your iphone is jailbreak with Redsnow u not need installing afc2add...
after all...u download Download and Install iFunbox software :
1.open ifunbox on you computer
2.navigate to /var/mobile/library/preferences/
3.find "com.apple.springboard.plist
4.delete that file
5. on your idevice navigate to settings/general/restrictions
6.it should say off and you are able to edite your restrictions and set a new passcode
BR-bilalzaink
