Apple has managed to nab three of the top 5 spots for the top-selling mobile phones in the U.S. during Q4 2012 according to the NPD group, with the iPhone 5, iPhone 4S and iPhone 4 ranking first, third and fourth respectively. Apple also retained the crown for best-selling overall smartphone maker, accounting for 39 percent of smartphone sales in Q4 2012, compared to Samsung’s 30 percent.