jalbroken iphone not restoring !!!

[INeedAMacBook]

well, i jailbroke with spirit and then decided i don't really like it, so i tried to restore. So i was trying to restore and error 21 came up,so i tried again and again and turned my laptop top off and on and put the phone in dfu mode and im pretty sure it was in dfu mode, but still error 21, plz help me what am i going to do, im on a 32gb 3gs mc model btw

 

[fishmd]

While I can't imagine anyone wanting to not have their iPhone jailbroken, you should put the phone into "restore mode" not DFU mode.

See bellow article on how to do this.

http://support.apple.com/kb/HT1808


Good luck.