We’ve got some good news for Windows users! Yesterday, Chronic Dev Team member, @p0sixninja announced that the Windows version of Greenpois0n RC5 should be released “tomorrow or the next day”, meaning this weekend.

For those that have been out of the know lately, The Chronic Dev Team officially released Greenpois0n RC5 yesterday, providing the first iOS 4.2.1 untethered jailbreak for all iOS devices without the need of any SHSH blobs… 

The jailbreak tool is currently compatible with Mac only, leaving Windows users out in the cold. Stay tuned, we’ll keep you updated! For our Mac users, if you haven’t already, follow this guide here to jailbreak your iDevice on iOS 4.2.1.