PwnageTool 4.2.1 Untethered Jailbreak Released!

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Matthews Tech

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Published on February 15, 2011 11:18:13 PM ● Video Link: https://www.youtube.com/watch?v=TnHikW5KlOg

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http://www.redmondpie.com/download-pwnagetool-4.2.1-for-untethered-4.2.1-jailbreak-custom-firmware/The iPhone Dev Team has just released official version of PwnageTool 4.2 which incorporates the new kernel based exploit of GreenPois0n for creating full untethered iOS 4.2.1 custom firmware files. Almost all iOS devices are supported except for iPod touch 2GiPhone 3G
iPhone 3GS
iPhone 4
iPhone 4 Verizon
iPod touch 3G
iPod touch 4G
iPad
Apple TV 2G
When to use PwnageTool over GreenPois0n? If your iPhone relies on a carrier unlock, YOU MUST use this version of PwnageTool to create custom 4.2.1 firmware files without the upgraded baseband so that you can unlock your phone on the old baseband using Ultrasn0w 1.2.

Also as we already reported, fix for iBooks and WiFi problem on jailbroken Apple TV 2G will be released soon as a Cydia package.

Instructions for jailbreaking using PwnageTool are similar to the last release, simply follow them as posted here. Select iOS 4.2.1 IPSW file where required