This will be a short post regarding the new Greenpois0n RC 6.1 Release for jailbreaking your iDevice running on 4.2.1. For the longest time, we had to use the alpha Redsn0w release that not only required a 4.2b SHSH but the actual 4.2b IPSW which is only available to iOS developers. The Greenpois0n RC 6.1 [...]