A smartphone can be described as a high-end mobile device built on a much advanced & useful features and given more advanced computing ability and connectivity than a ordinary mobile phone. The first smartphones were devices that mainly combined the functions of a Personal Digital Assistant (PDA) and a mobile phone or camera. Today's models combine the functions of portable media players, compact digital cameras and GPS(Global Positioning System) navigation units. Modern smartphones typically also include high-resolution touch screens, web browsers that can access and properly display standard web pages rather than just mobile-optimized sites, and high-speed data access via Wi-Fiand mobile broadband.
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