Some 800,000 to 1 million iPhones had been unlocked by the end of 2007, the sources say. The high end of that range far outpaces most analysts’ assumptions of 750,000 unlocked phones. The vast majority of those phones are trickling into nations around the world where Apple has yet to sign up a local carrier—especially China, say industry sources (BusinessWeek.com, 12/4/07). “In my travels around the world, two out of three iPhones I’ve seen outside of the U.S. have been unlocked,” says Richard Doherty, director at consultant Envisioneering Group. “In China, nine out of 10 phones are hacked.”

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