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Discussion in 'iPhone Tips, Help and Troubleshooting' started by yipio, Sep 20, 2011.
Is it possible to downgrade 4.3.5 to 4.3.3 without SHSH blob?
No, SHSH blobs are required.
No, you can never downgrade a 3GS or i4 without shsh blobs.
Downgrade is impossible without SHSH Blobs when Apple has stopped signing the firmware you're downgrading to.