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Apple iPhone 4S: More than 60 million
This was the highly anticipated 'iPhone 5.' After numerous rumors and speculation, those who held out realized there wouldn't be another iPhone for a while jumped at the chance to buy the iPhone 4S, with Apple selling a record four million handsets in the first weekend. There were grumbles, however, that the device wasn't enough of an update to 'wow' the wider consumer market. Then again, they said that about the actual iPhone 5 when that was finally released.