It seems that “Dream Team” of iOS hackers are working on jailbreak for the A5 devices which include iPhone 4S and iPad 2.
[box_dark]The latest tweet form planetbeing saying A5 devices to be jailbroken soon:
And we’re out of the sandbox with @saurik‘s invaluable help! (well, at least there’s a PoC) 😀 Turning out more complex than X-Gold 618.[/box_dark]
With this it seems that they are getting closer to release the untethered jailbreak for A5 devices. Since the iPhone 4 already has a untethered jailbreak for iOS 5, it has proven difficult for the iPhone 4s and iPad 2 device to be hacked.