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.
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:
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). Please check out places like iClarified for some excellent guides on how to use both PwnageTool and redsn0w.
Feel free to ask for help in our comments section. Thanks once again to our fantastic moderators for volunteering their time and knowledge and keeping order: Confucious, sherif_hashim, dhlizard, Frank55, and subarurider!
redsn0w 0.9.6rc9:
redsn0w 0.9.6rc12 (updated to rc12..details in Update #1 below):
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)
For everyone else, redsn0w is the easier program to use (and redsn0w runs on both Mac and Windows). Please check out places like iClarified for some excellent guides on how to use both PwnageTool and redsn0w.
Feel free to ask for help in our comments section. Thanks once again to our fantastic moderators for volunteering their time and knowledge and keeping order: Confucious, sherif_hashim, dhlizard, Frank55, and subarurider!
redsn0w 0.9.6rc12 (updated to rc12..details in Update #1 below):
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