Nokia

A former leader in the mobile phone sector, Finland’s Nokia encountered problems after the 2007 launch of smartphones, particularly Apple’s iPhone, as well as devices running on Google's Android operating system. In February 2011, Nokia formed a strategic partnership with Microsoft, with Nokia smartphones replacing Nokia’s traditional Symbian operating system with a mobile system from Microsoft. Microsoft bought Nokia's handset business for 5.44 billion euros in September 2013.

 

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