I am jailbroken on 3.0.1, on a factory unlocked iPhone 3GS, can I simply upgrade to a custom firmware or do I have to restore? thank you.
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iPhone 3GS 3.1 update question?
- Thread starter DaveTaylor
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dhlizard
macrumors G4
Go to iClarified for a tutorial
You have to use Pwnage Tool to build a custom restore IPSW and use iTunes to install it to your phone.