@Pod2g the hacker behind iPhone 4 iOS 5.0.1 untethered jailbreak is holding back iPhone 4S and iPad 2 jailbreak due to some legal issues related to the distribution of the jailbreak tool. According to the information we have , the iPhone 4S untethered jailbreak exploit he is using requires a registered developer account for injecting the exploit into the device .
Almost 2 months back iPhone Dev Team released a video and some pictures proving that they have jailbroken iPhone 4S [ article link ] and are working to implement it into a jailbreak tool like Redsn0w or Sn0wbreeze .
Update : In the mean time iPhone Dev Team members PlanetBeing , MuscleNerd along with Chronic Dev Team member P0sixNinja has joined hands to develop iPhone 4S jailbreak . These guys will help @pod2g in solving the “Sandbox” difficulties he was having with the A5 processor powered devices (iPhone 4S and iPad 2). We can expect a speedier progress in iPhone 4S jailbreaking as the hackers are now working together .
Stay tuned as we being you the latest information about jailbreak updates in A5 processor powered devices .