By 2010, the iPhone had a market share of barely 4% of all cell phones; however, Apple pulled in more than 50% of the total profit that global cellphone sales generated.[293] Apple sold 14.1 million iPhones in the third quarter of 2010, representing a 91% unit growth over the year-ago quarter, which was well ahead of IDC's latest published estimate of 64% growth for the global smartphone market in the September quarter. Apple's sales surpassed that of Research in Motion's 12.1 million BlackBerry units sold in their most recent quarter ended August 2010.[294] In the United States market alone for the third quarter of 2010, while there were 9.1 million Android-powered smartphones shipped for 43.6% of the market, Apple iOS was the number two phone operating system with 26.2% but the 5.5 million iPhones sold made it the most popular single device.[295]