Sprint posted its Q4 2011 earnings on Wednesday and announced it sold 1.8 million iPhones in the quarter. Forty percent of those sales were to new customers and, overall, the carrier added 1.6M net subscribers in the quarter. Sprint iPhone sales were strong, but it still trails Verizon Wireless which sold 4.3 million iPhones and AT&T which activated 7.6 million iPhones. Combined the three carriers account for about 13.7 million of Apple's 37 million iPhones it sold in the quarter. T
