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Samsung Galaxy S III: ~50 million
During the iPhone 5 and Samsung S III race to the top of the sales charts, Samsung breezed through the 30 million mark in September 2012. Then, Samsung came back to reporters only two months later to say that it had pushed through the 40 million mark. Three months later, the Korean smartphone maker would have likely added another 10 million to that total, making it one of the best selling phones in Western markets during 2012.
Credit: CNET Asia