October 4, 2024
Jailbreakers Warned to Avoid iOS 5.1

Jailbreakers Warned to Avoid iOS 5.1

Posted March 7, 2012 at 5:37pm by iClarified
The iPhone Dev-Team is warning jailbreakers to avoid iOS 5.1 which will likely be released shortly.

In all likelihood we'll see the GM "gold master" version of 5.1 this week. DO NOT UPDATE TO 5.1, because you may lose your jailbreak! The rest of this post details the subtleties with this rule, but if there's only one message to take home, it's the overall "do not update" message!

Now for the nitty gritty exceptions:
● Soon after 5.1 appears on Apple's public servers (i.e. iTunes starts to offer it), Apple will stop signing 5.0.1 SHSH blobs.
● If you have an iPhone4S, the basic rule above is really the only rule: you cannot restore back to 5.0.1 once the 5.0.1 signing window is closed, no matter what (even if you saved your SHSH blobs).
● If you have an iPad2 with saved 4.x hashes, you can in fact downgrade to that 4.x but you won't be able to get to 5.0.1 once the 5.0.1 signing window is closed (even if you saved your 5.0.1 SHSH blobs).
● If you have a device earlier than the iPad2, you can downgrade to whatever version you want, as long as you have saved SHSH blobs for that version. You'll need the assistance of geohot's limera1n exploit with tools like redsn0w to get into "pwned DFU mode" and bypass the downgrade restriction.


You can find instructions on jailbreaking your device here.


Jailbreakers Warned to Avoid iOS 5.1
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Comments (3)
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JL
JL - March 8, 2012 at 11:25pm
And no way to JB an iPad 2 on iOS 5.0, is there? Bought an iPad 2 yesterday from the Apple store preloaded with 5.0. Boooooo
nkgneto
nkgneto - March 8, 2012 at 4:56am
How long before Apple stops signing?
nir-hus
nir-hus - March 7, 2012 at 7:22pm
What about the iPhone 4 and below? Can they be downgraded to iOS 5.0.1 once we upgrade to iOS 5.1 or is it a one way street? Dr. Nir Hus MD., PhD.
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