Smartphone Operating System

A smartphone is a mobile phone that offers more advanced computing ability and connectivity than a contemporary basic feature phone.Smartphones and feature phones may be thought of as handheld computers integrated with a mobile telephone, but while most feature phones are able to run applications based on platforms such as Java ME,a smartphone usually allows the user to install and run more advanced applications. Smartphones run complete operating system software providing a platform for application developers.

Growth in demand for advanced mobile devices boasting powerful processors, abundant memory, larger screens, and open operating systems has outpaced the rest of the mobile phone market for several years. According to a study by ComScore, over 45.5 million people in the United States owned smartphones in 2010 out of 234 million total subscribers.

Operating systems that can be found on smartphones include Nokia's Symbian, Google's Android, Apple's iOS, RIM's BlackBerry OS, Microsoft's Windows Phone, Linux, Palm/HP's WebOS, Samsung's Bada, Nokia's Maemo and Meego among many others. Android, Bada, WebOS and Maemo are built on top of Linux, and iOS is derived from the BSD and NeXTSTEP operating systems, which are all related to Unix.

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To the left:
Share of worldwide 2010 Q3 smartphone sales to end users by operating system, according to Gartner.
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