Redsn0w 0.9.7 b3 to jailbreak iOS 4.2.1 untethered is released. Redsn0w 0.9.7 b2 was released few hours back. Now we have Redsn0w 0.9.7 beta 3 version which is upgrade of beta 2 and also includes some fixes. If you faced problem when using Redsn0w 0.9.7 b2, I suggest you try using Redsn0w 0.9.7 beta 3 [...]

Redsn0w 0.9.7 b2 to jailbreak iOS 4.2.1 untethered is released. Redsn0w 0.9.7 b1 was released yesterday. Redsn0w 0.9.7 beta 2 version is released to fix some issues uncovered in b1. The issues are related to native app crashes including Task switcher. If you faced problem when using Redsn0w 0.9.7 b1, I suggest you try using [...]