The long-awaited RedSn0w untethered jailbreak for iOS 4.2.1 was released earlier today by the iPhone Dev Team. As we mentioned before, it is still a beta version, which means it is very unstable and causes a few noteworthy bugs.
We're aware that some of you are true dare devils so we thought it'd still be a good idea to post a guide on how to untether your iPhone. This step by step tutorial will show you how to untether your iPhone 4.2.1 using RedSn0w. This only works for the iPhone 4, iPad, and iPod Touch 4G...