Problem jailbreaking phone

Im looking to downgrade from 4.0 to 3.1.2 so I can jailbreak my iphone

It is a 3GS however Im having problems downgrading the software.
I have downloaded the file that is zipped (3.1.2 firmware), and once downloaded I have changed the file from zip to an ipsw, however when I hold shift and click on the restore button in itunes it does not recognise the file. It just opens the file, any idea where I am going wrong?

3 Comments

Apple have stopped signing firmware less than 4 anyway, so unless you have the shsh on file then you are SOL.

Original Poster

Babbabooey;8983049

Apple have stopped signing firmware less than 4 anyway, so unless you … Apple have stopped signing firmware less than 4 anyway, so unless you have the shsh on file then you are SOL.



shsh file? sorry been a while since i last jailbroke. Take it I wont be able to downgrade then

no, look at [url]www.iclarified.com[/url] when a jailbreak for 4.0 comes along it will be posted there with full instructions
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