Jailbreak iOS 4.2.1 - iPhoneHeat

Untethered Jailbreak for iOS 4.2.1 with RedSn0w is Almost Ready!

According to MuscleNerd, Untethered Jailbreak for iOS 4.2.1 with RedSn0w is about ready. The New RedSn0w will not only jailbreak iOS 4.2.1, already jailbroken (tethered) users can use this new RedSn0w to re-jailbreak to get untethered support without any restore (all installed jailbreak tweaks will stay).

Untethered iOS 4.2.1 Jailbreak Confirmed!

Dev-team and Comex has confirmed that untethered iOS 4.2.1 jailbreak will be out before Christmas 2010. First MuscleNerd came up with a video demonstrating untethered iOS 4.2.1 jailbreak on iPod Touch 4G.

How to Jailbreak iOS 4.2.1 with RedSn0w 0.9.6b4

Dev-Team has release RedSn0w 0.9.6b4 to jailbreak iOS 4.2.1 on iPhone 4, 3GS, 3G, iPod touch 4G, 3G, 2G and iPad. RedSn0w 0.9.6b4 jailbreaks iOS 4.2.1 with working Cydia and MobileSubstrate. Step-by-step instructions on how to jailbreak iOS 4.2 with RedSn0w 0.9.6b4 after the jump…