Blackra1n Jailbreak Released for Windows

Renown for his jailbreak software, George Hotz finally took the wraps off blackra1n, the “all device” 3.1.2 jailbreak. You can download blackra1n for free, but the author does accept donations “only after it works for you”. Hotz does provide this warning.

Warning 3g and 3gs unlockers, do not upgrade to 3.1.2 using iTunes if you want [...]