Discuss Accidentally upgrade to firmware v3.1.3 at the iPhone OS 3.x - Hackint0sh.org; Hello,
I have an unlocked iPhone 3G I purchased off eBay new about a year ...
Accidentally upgrade to firmware v3.1.3
I have an unlocked iPhone 3G I purchased off eBay new about a year ago. Today I accidentally upgraded my phone to the most recent firmware in iTunes (3.1.3 I think).
I've looked on the internet and it seems like there isn't a hack for the most recent firmware. Is it possible to revert back to my previous firmware? Right now when I start all I get is a Insert Valid Sim/Connect to iTunes screen.
Any help would be greatly appreciated.
Please search next time. There are hundreds of posts with the exact same "Oops! I upgraded to 3.1.3" and the answer is always the same:
1) You can only jailbreak using Spirit, and you can only use Spirit if you have a legitimate AT&T SIM. If you rely on an unlock, Spirit will NOT WORK for you.
2) You cannot unlock your phone (3.1.3 has a new baseband for the 3G and 3GS that is not currently able to be unlocked) until the new hardware is released (June/July, estimated) and a new unlock is released.
Closing thread, please search next time.
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