iOS 5 can be jailbroken untethered on all non-A5-based devices. iOS 4.3.3 can be jailbroken easily via a web site but iOS 4.3.4 can't. Confused yet? The state of jailbreaking is a little messy at the moment and it's hard to understand which devices and versions of iOS are eligible. This helpful chart can clear up the confusion. More »