i am having an iphone 3gs which was jailbroken 1 year back which was working properly. but by mistake i have tried to update it. Then immediately it was locked which is not activating now. i tried several times to activate it through itunes. but the itunes also not opening the iphone. kindly help me that what i have to do with it. Shall i jailbrake it again. if so which programme is suitable for me to jailbreak or can it be unlocked without jailbreak. kindly advice me immediately. Thanking you. sskumar.