There were very few betting on Chronic dev team and other iPhone hackers like Pod2g for untethered jailbreak and most of the jailbreakers are waiting for untethered iOS 4.2.1 jailbreak solution from iPhone Dev Team & comex. Despite of failure of Comex to deliver untethered on Christmas eve, iPhone Dev team got their backup plan in action which utilizes iOS 4.2 beta hashes and firmware to deliver untethered jailbreak and only possible to do it on Mac OS X.
But today P0sixninja member of Chronic Dev team, Pod2g & Ojan proved iPhone dev tean wrong by demoing Greenpois0n iOS 4.2.1 untethered jailbreak which was under development for last one week. As a proof here is demo of untethered iOS 4.2.1 jailbreak on iPhone 4 in action,
As of now no ETA has been provided for Greenpoins0n with Untethered iOS 4.2.1 jailbreak release but it should provide peace of mind to those who have been waiting for this so long. Stay tuned with us for more on iOS 4.2.1 & iOS 4.3 jailbreaking.