Apple was the U.S. smartphone market leader with 39% market share,
up 2.7% from December 2012. Samsung ranked second with a 21.7% market share, 0.7% higher than the market share three months earlier.
in the past three months, Google has lost 1.4% market share to Apple and Microsoft. While the market share of Microsoft’s operating platform increased 0.1%, Apple’s platform has gained the most market share of 2.7%.