Redsn0w updated for iOS 4.2.1 Jailbreak

The Dev-Team Blog was just updated with a new redsn0w version 0.9.6b4 jailbreak for iOS 4.2.1. Unfortunately, iPhone 4, iPad, and newer iPhone 3GS owners won't find jailbreaking as easy as navigating to a website -- the 4.2.1 jailbreak is currently "tethered" so you'll have to reattach to a PC or Mac each time your device loses power or needs a reboot. Those of you who rely on ultrasn0w unlock should hold off for now. Good advice for anyone not comfortable with terms like "SHSH blobs" or

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