Samsung and HTC drive growth among consumers that crave fast speeds and large screened devices.
Market researcher Strategy Analytics says superphones are set to become the fastest growing wireless handsets this year.
It claims superphone sales will grow 200 per cent by the close of 2011 driven by devices such as the Samsung Galaxy S2 and HTC Sensation.
A superphone by definition is a smartphone device that has a high-grade OS, a 1GHz processor and a display of four-inches or more.
RIM recently announced it will use its BlackBerry PlayBook's QNX OS in smartphones to launch BlackBerry superphones in 2012.
Alex Spektor, senior analyst at Strategy Analytics, said: "Superphones are a relatively new sub-category of wireless handsets that first appeared on the global market in 2009.

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