3 months ago when iOS 5 was in beta, the iPhone Dev Team made a post telling iOS users that iOS 5 prevents saving SHSH blobs. The news was right; MuscleNerd has officially announced that you won’t be able to save iOS 5 SHSH blobs anymore but good chances are always there!
iOS5 uses “nonces”, so trying to stitch/replay iOS5 blobs will fail (for now anyway)
On Twitter, MuscleNerd said that saving iOS 5 SHSH blobs will fail at least for now. In a reply to a user, MuscleNerd said that they’ll be able to defeat this problem in the future (and noted that Limera1n exploit makes chances better too).
MuscleNerd: right, that’s their goal. Defeating it will require more cat & mouse (limera1n enables many hacks though)
This means that, for example, when iOS 5.1 is released sometime, you won’t be able to downgrade back to iOS 5. So in case of future software update, you’ll lose your jailbreak on update and you won’t be able to downgrade.
So what now? Well, I advise everyone to keep away from the update button in iTunes and don’t get future updates until a jailbreak is out.. unless you don’t need it.
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