Few years backs, cell phones were available with limited features in limited colors like black and metallic gray, which compelled the individuals to change them on the frequent basis. However, in 2007, Apply resolved this problem by introducing iphone in the market. This phone was the right choice for the individuals, who were looking for smart phone set with advanced features. With the passage of time, the need of more advanced feature cell phone increased and to meet the demand of the users, Apple introduced iphone 3gs in 2009. Iphone 3gs is a smart phone with distinct advanced features like video support, voice control facility and screen fingerprint coating, etc. The increased demand for iphone 3gs force the competitors of Apple to introduce cell phones with the same features at reasonable rates.