Apple, iPad, iPhone, iPod touch, Jailbreak News

[Jailbreak] Don’t Update to iOS 5.1 – You’ll loose Jailbreak…

So as many know now, Apple released iOS 5.1 earlier today.

With a new update there is a new challenge to overcome for the jailbreak community.

As of now there is no jailbreak ready for iOS 5.1. Don’t believe some of the crap websites that ask you to pay for a jailbreak program. All those sites are full of it and will take your money and possibly mess up your computer. Earlier today a new post showed up on the Dev-Team Blog stating exactly what this new version of iOS means to the current jailbreak community.

The number one rule to follow is, “Avoid firmware updates!

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.

As you can see, it really is a nuanced landscape so it’s sometimes hard to drive the message home to new jailbreakers.  But the basic rule is the simplest (and it’s better to be safe than sorry!):  If you update to 5.1 you’ll very likely lose your jailbreak, so don’t do it!  Exceptions are noted above.

So there you have it straight from the source. DO NOT UPDATE IF YOU ENJOY BEING JAILBROKEN!

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