os4

is it possable to restore an iphone 3G to a 3gs firmware that is customized to run on an iphone 3g

If you have accidentally updated your iPhone 3GS and can no longer Jailbreak it is possible to downgrade back to its originally 3.1.2 here's the link .... http://thetechjournal.com/electronics/iphone/downgrade-ios-4-iphone-3gs-3g-and-ipod-touch-to-iphone-3-1-3-3-1-2steps.xhtml What I want to...

I have an IPhone 3GS that is unlocked and jailbroken.running on OS3.1.2. I want to upgrade to OS4.0. How can I do that?

Has anyone successfully upgraded from a jailbroken 3.1.3 iphone to a jailbroken os 4? I tried the other day using PwnageTool 4 and my phone locked up after trying to upgrade to the jailbroken os4 ipsw. If anyone has successfully upgraded could they please tell me how they did it? I have the...

Also when im backing up nfrom previous backups, im failing to get my contacts etc, pls help me or im gone!

Considering I am getting a job that pays min. wage since I'm 16... How long do you think it will take me to get it if I were to save up all my money + contract?

Considering I am getting a job that pays min. wage since I'm 16... How long do you think it will take me to get it if I were to save up all my money + contract?