133.7 million people in the U.S. owned smartphones -- 57 percent mobile market penetration -- during the three months ending in February, that's up by 8 percent since November 2012.
Apple ranked as the top OEM with 38.9 percent of U.S. smartphone subscribers -- that's up 3.9 percentage points from November.
Samsung ranked second with 21.3 percent market share -- that's up by 1 percentage point -- followed by HTC with 9.3 percent share, Motorola with 8.4 percent share and LG with 6.8 percent share.
Google Android ranked as the top smartphone platform with 51.7 percent market share, while Apple’s share increased 3.9 percentage points to 38.9 percent.
BlackBerry ranked third with 5.4 percent share, followed by Microsoft (3.2 percent) and Symbian (0.5 percent).
The market study currently includes the following:
- 8 countries of reporting (U.S., UK, France, Germany, Spain, Italy, Canada, and Japan)
- 100 monthly data collection cycles dating back to 2004
- 1,176 surveys fielded
- 3.124 million total survey respondents