Just a few days after its launch, a group from Brazil has managed to unlock Apple’s iPhone 3G to operate on almost any GSM carrier.On its Web site, DesbloqueioBr posted a video showing the unlocked handset making a phone call. In an interview with gadget blog Gizmodo, developer Breno MacMasi said the unlocking process involved modifying the phone’s SIM hardware so the International Mobile Subscriber Identity can be overwritten. The procedure allows iPhone 3G users to makes calls with
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