comScore: Windows Phone U.S. market share declines to 2.9%


Google's (NASDAQ:GOOG) Android and Apple's (NASDAQ:AAPL) iOS combined to dominate 89.7 percent of the U.S. smartphone market in the final weeks of 2012, according to a new report issued by digital research firm comScore.

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Click here to see the changes in smartphone OS market shares since 2009.

Android ended December representing 53.4 percent of all smartphones nationwide, growing 0.9 percentage points over September, comScore reports. iOS increased its U.S. market share from 34.3 percent in September to 36.3 percent in December, a 2 percent improvement. Apple released its iPhone 5 during the period.

BlackBerry (NASDAQ:BBRY)--which kicked off 2013 with the launch of its long-awaited BlackBerry 10 operating system makeover--closed out 2012 with 6.4 percent of the U.S. smartphone market, down from 8.4 percent in September. Microsoft's (NASDAQ:MSFT) Windows Phone follows at 2.9 percent, sliding 0.7 percentage points compared to three months' earlier. The news is notable considering Nokia and other Windows phone vendors released a number of high-end Windows Phone 8 devices during the quarter.

Symbian held steady at 0.6 percent.

More than 125.9 million U.S. mobile subscribers now carry smartphones, representing 54 percent mobile market penetration, comScore reports. Apple leads all manufacturers at 36.3 percent market share (up 2 percentage points from September), followed by Samsung Electronics at 21 percent (a 2.3 percentage point increase) and HTC at 10.2 percent (a 1.8 percentage point decline).

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