In addition to jailbreaking, @MuscleNerd along with other Dev Team hackers continue to play around in the iPhone unlocking game.
Demonstration about the history and evolution of baseband unlocksThere are a lot of iPhone users searching for a software unlock solution, most of the users are with iPhone 4 baseband 4.11.08 and 4.12.01. Musclenerd has created a pretty extended, full detailed demonstration on the unlocking tools, hardware and software unlocking history, and progress of baseband unlock, you can download his complete PDF presentation from this link.
|Evolution of the iPhone Baseband Unlocks|
|iPhone 4 Activation Tickets|