Blacksn0w unlock tool has been ported successfully to unlock iPhone 3GS, baseband 05.11.07, running iPhone OS 4.0 Beta 4. More details with instructions can be seen in the video below:
This release is buggy at the moment so it’s recommended not to try this at the moment. Release of official unlock for iPhone baseband 05.11.07 is expected soon. In the mean time, you could jailbreak iPhone OS 4.0, 3.1.3 and 3.1.2 with Spirit Jailbreak, Blackra1n, PwnageTool 3.1.4, Sn0wBreeze or Redsn0w 0.9.5. You can also jailbreak iPad with Spirit.
