Europa has already mastered a way to get the iPhone working in their networks, copying information from the Subscriber Identity Module, a small card with a chip that identifies a subscriber to the cell-phone network. Being this expensive gadget available only in the US for now it's quite useful to have George Hotz from NJ, to get your iPhone unlocked an working with the only carrier which is compatible with, T-Mobile. This young teen outlines 10 steps to unlock the iPhone but you better be careful it is not that easy and you screw it up then your phone will become a piece of junk. The hack is complicated and requires skill with both soldering and software, and missteps may result in the iPhone becoming useless, so it's unlikely to become a household procedure.
Once again do not intent to unlock it by yourself, Hotz had four more guys for helpers, two of them from Rusia. He didn't waste his summer, as some of his friends have been saying. The following promise to be a easier way to unlock this phone trhought software implementation.
LATER: There is step=by-step post here, where you can learn how to unlock your iPhone using QuickPwn firmware.