Home > iphonehacks > Redsn0w 0.9.6rc9 And PwnageTool 4.3: Untethered iOS 4.3.1 Jailbreak For iPhone, iPad And iPod Touch Released

Redsn0w 0.9.6rc9 And PwnageTool 4.3: Untethered iOS 4.3.1 Jailbreak For iPhone, iPad And iPod Touch Released

April 3rd, 2011 04:39 admin Leave a comment Go to comments

Redsn0w

As expected, iPhone Dev Team has just released Redsn0w 0.9.6rc9 for Mac and Windows and PwnageTool 4.3 for Mac to jailbreak iOS 4.3.1 for iPhone 4, iPhone 3GS, iPod Touch 4G, iPod Touch 3G, iPad 1 and Apple TV 2G users.

iPhone Dev team has used the untethered iOS 4.3.1 jailbreak developed by iPhone hacking expert Stefan Esser.

Dev Team has provided the following information on their blog:

Three years ago (almost to the day!), the first version of PwnageTool was released for firmware 1.1.4.  So today we’re excited to release another edition of both PwnageTool and redsn0w to bring an untethered jailbreak for Apple’s latest firmware, FW 4.3.1.

WARNING WARNING — ultrasn0w users don’t update yet!  See a few paragraphs down!

The 4.3.1 untether exploit comes courtesy of Stefan Esser (@i0n1c on twitter), a security researcher based in Germany.  Stefan has a long history of vulnerability research, and ironically his first contribution to the iPhone jailbreak community was improved security — last year he beat Apple to the punch and implemented ASLR for jailbroken iPhones with his “antid0te†framework. We’re happy to see that Stefan then turned his iPhone attention over to an untethered jailbreak exploit!

The 4.3.1 untether works on all devices that actually support 4.3.1 except for the iPad2:

  • iPhone3GS
  • iPhone4 (GSM)
  • iPod touch 3G
  • iPod touch 4G
  • iPad1
  • AppleTV 2G (PwnageTool only for now)

The reason the untether won’t work as-is on the iPad2 is that it requires a bootrom or iBoot-level exploit to install, and the iPad2 is not susceptible to either the limera1n or SHAtter bootrom exploits.

Dev team has issued the following warning to iPhone unlockers:

WARNING WARNING — ultrasn0w users don’t update yet! We need to first release an update to ultrasn0w that fixes some incompatibilities when FW 4.3.1 is used on the older basebands supported by ultrasn0w.  And remember once we do fix ultrasn0w for 4.3.1 (we’ll announce it here and on twitter), you must only get there via a custom IPSW from PwnageTool, Sn0wbreeze or xpwn!  Don’t ever try to restore or update to a stock IPSW, or you’ll lose the unlock!

For everyone else, redsn0w is the easier program to use (and redsn0w runs on both Mac and Windows).

So PwnageTool 4.3 and Redsn0w 0.9.6rc9 support the following iOS devices for iOS 4.2.1:

They don’t support iPad 2 currently as Apple has fixed the jailbreak vulnerability in iOS 4.3.1. Dev team is trying to figure out how to legally distribute Comex’s iOS 4.3 jailbreak for iPad 2 to add support for it.

iPad, iPod Touch and iPhone users who don’t care about unlocking are better off using Redsn0w as one doesn’t need to preserve baseband like iPhone users. Since the tools have just been released, they could be buggy so please proceed with caution and also check the comments for feedback from fellow readers.

Please note that jailbreaking your iDevice may void its warranty so proceed at your own risk. Please don’t forget to backup your iPhone before you proceed. You can refer to this post for instructions on how to backup your iPhone.

PwnageTool 4.3 is available only for Mac users and you can download it from one of the mirror sites:

BitTorrent Release – PwnageTool_4.3.dmg.6293151.TPB.torrent

Or the following mirror sites:

Redsn0w 0.9.6rc9 is available for Windows and Mac users and you can download it from one of the mirror sites:

If you’re new to the jailbreaking world and wondering what to do after jailbreaking your iPhone, checkout our jailbreak apps category page to find out the apps you can install on your iPhone using the Cydia app (which is also installed after successfully jailbreaking your iOS device).

As always, please let us know how it goes in the comments.

[via Dev Team’s blog]

Source: Redsn0w 0.9.6rc9 And PwnageTool 4.3: Untethered iOS 4.3.1 Jailbreak For iPhone, iPad And iPod Touch Released

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