January 2012 US smartphone market share: Google's Android wins; RIM, Microsoft Windows lose

According to the latest data released by Comscore, US smartphone subscribers grew by 3.5% QoQ to reach 101.3 million units in January 2012.

In terms of smartphone platforms, Android and IOS (Apple) continue to gain market share, while Microsoft's share declined in spite of the initial launch of Lumia 710 by Nokia. RIM's market share also declined.

Average quarter for Windows Phone; Nokia becomes largest manufacturer

According to a research by Strategy Analytics, Nokia has become the largest Windows smartphone supplier in Q4 2011, replacing others device manufacturers including HTC. Overall Windows based smartphones sales grew 35% QoQ to 2.7mn in Q4 2011 from 2.0mn in Q3 2011.

While the numbers might seem good overall, it is disappointing that sales from other vendors actually declined QoQ by 10% to 1.8mn units.