Jailbreak 4.2.1 iOS iPhone 4, 3GS, 3G, iPod touch 4G, 3G with Redsn0w | Redmond Pie

Apple today has released iOS 4.2.1 GM for iPhone 4, 3GS, 3G, iPad and iPod touches. This build which is currently available to developers only can be jailbroken

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