iPhone 4S untethered jailbreak will possible on iOS 5.0.1, but not iOS 5.1

The ChronicDevTeam has a video showcasing an untethered jailbreak on an iPhone 4S, running on iOS 5.0.1.

The video seems real. We are demonstrated a reboot after which Cydia is still functional and last but not least we are shown the different antenna design and a running Siri version.

This sort of a jailbreak solution has been available on A4-powered iDevices but, up until now, it had its ups and downs on the A5-powered iPad 2 and iPhone 4S.

Demo Below!