iOS accounts for more than half of US smartphone sales

For the 4th quarter of 2012, Apple’s iOS increased its US market share, year over year, from 44.9% of all smartphone sales to 51.2%, according to Kantar Worldpanel ComTech.

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More info at Apple Insider.

Interesting numbers coming one day prior to Apple’s earnings announcement tomorrow, after the markets close.

Disclosure: I am long AAPL.