Samsung 5660. android OS v2.3 operating system. full touch. 600HMHZ high speed CPU. very fast internet connection. 3.2 inch TFT display. 3G mobile phone. Full touch. 600HMHZ high speed CPU. very fast internet access. 3.2 inch TFT display. 3G cell phone launched in March 2011. Available in black and white. With rich network applications. The current market price is about 1800 yuan.