Nokia Symbian smart phone industry was once a glorious moment of the operating system, Symbian phones selling help Nokia to become the world's largest mobile phone maker. With the iPhone and Android phones become the mainstream of the smartphone market, Nokia Symbian phone sales have fallen sharply, from Kantar Worldpanel data show that the first quarter of 2013 Symbian phone in the European market accounted for only 1.8% market share in the same period in 2012 is 8%. In Nokia company's product line, Symbian phone sales accounted for has also been very small, the first quarter of 2013 Symbian phones sold only 500,000 units in a single quarter, Nokia mobile phones less than 5% of total sales.
October 2012, Nokia announced the Symbian system does not provide an upgrade, the company will focus on research and development of smart phones made in the Windows Phone system. In addition to the transfer of foreign strategic focus, Symbian inadequacies of the system itself, but also the reasons for Nokia to abandon this system, the introduction of a new Symbian smart phone from R & D to market needs 22 months, Windows Phone system is only a year when 22 months of development time is obviously very difficult to adapt to the development of the current pace of the smartphone market, Nokia had to give glory to the company that has an operating system. Currently Nokia's Windows Phone smartphone sales single-season sales have reached 5.6 million units.
