Despite the best efforts of AT&T and Apple, the iPhone 3G has been unlocked. Gizmodo reports that just four days after its launch, the iPhone 3G was unlocked using a special card that piggybacks to a SIM card. Gizmodo says that this method forges the International Mobile Subscriber Identity, making the phone believe it's working in the network in which it's supposed to work.
The unlocked version was first reported by a Brazilian blog called TechGuru. Here's a video of the process, but be forewarned, it's in Portuguese- Click here for the iPhone unlocking video.
- see this Gizmodo posting