I have an Jailbreak iphone 3gs with ios 4.1 and a baseband 6.15?

I want to be able to update my phone to ios 5.1.1 but when I was doing the system restore it also update my iphone software on itunes 10.7 I believe or whichever is recent. My phone is stuck on the activation part and I also have an old att sim card that won't read. How can I fix if so please give me the steps as to what to do next.

Your probably going to get stuck forever on that.jailbreaking a iphone is dangerous because most of the web sites are scams.

Ok its simple you got a good baseband, all you need to do is update to ios 6 and wait for the jailbreak in 1 month and your phone will be jailbreakable at http://blog.iphone-dev.org/ always check for the jailbreak

Update and wait to redo the jailbreak.

A service that can get your iPhoen activated is here: http://www.iphonefort-mobile.com/p/iphone-activation-service.html

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