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iPhone 4 Limera1n Jailbreak Guide for iOS 4.1 and iOS 4.2 is now available. Geohot the Lifetime Jailbreak limera1n iOS 1.4, iPhone 3G iPod Touch and iPad 3.2.2 has released and available for download. Here is the tutorial for those who might not have much experience with the jailbreak. If you want to unlock your iPhone 4, should not use limera1n, but instead wait for the update from the PwnageTool, which can affect the baseband. Limera1n is currently runs only on Windows, but soon it will be released for Mac OSX and Linux!