The market share fourth quarter of 2008 decreased 40.8% compared to 2007 and the third quarter of 2009, Nokia had to leave the top 5 smartphone maker dau.Lien row to take the wrong step, the end of 2010, Nokia CEO dismissed and replaced by Stephen Elop, a former perennial sticking with Microsoft. Nokia made a bold decision: to shake hands with Microsoft to produce Lumia phones running Windows Phone operating system to compete with the iPhone and the Android product line. and as a result in December 2012, Nokia has gradually improved sales and gradually regain market share. In late 2013, Nokia sold 30 million confirm the Lumia phone.
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