Nokia Corporation is a Finnish multinational communications corporation headquartered in Keilaniemi, Espoo, Finland. Its principal products are mobile electronic devices, primarily mobile telephones and other communications devices. It also offers Internet services including applications, games, music, maps, media and messaging through its Ovi platform, and free-of-charge digital map information and navigation services through its wholly owned subsidiary Navteq. Nokia has a joint venture with Siemens, Nokia Siemens Networks, which provides telecommunications network equipment, solutions and services.
Since February 2011, Nokia has had a strategic partnership with Microsoft, as part of which all Nokia smartphones will incorporate Microsoft's Windows Phone operating system (replacing Symbian).