so i have a iphone 3gs, 4.1, 05.14.02 Firmware. and i am trying to jailbreak it with greenpoison. i did it and it worked fine on my ipod touch. but after i enter DFU mode my phone goes white screen, and i get an error message saying "Failed to jailbreak". anybody know anything about this problem. any help would be GREATLY appreciated. Thanks in advance.