If you do not like the hassle of being tied to the exclusive iPhone 3G carrier in your country and you are desperately searching for liberty of using the service of the carrier of your choice, then try Brando’s SIM hacking device. Simply slide the Brando All-Purpose i-smartphone SIM unlock tool under the SIM card of your preferred carrier and it unlocks your iPhone 3G. The only adjustment you need to make is cutting some part of the SIM card to make room for the chip. Priced at $20.50, this unlock card could be used for unlocking not only iPhone 3G but also a host of other smartphones.
Via: MobileWhack