Smartphone technology is evolving rapidly and it is influencing consumers' behaviors, their daily lifestyle, marketing, and business activities. User acceptance of Smartphone technology is a critical key factor to determine its success in toddy's raid changing technologies. Therefore, identifying and better understanding key factors that influence users' adoption of Smartphone technology is extremely valuable for all stakeholders. Other than stakeholders, smart phone also very important to student nowadays for keep in touch with their friends, to upload their assignment, to find a notes and others.

As we know smart phones very friendly user to the people. Our lives become easier with smart phone. We can connect with people around us every time, every where as long the smart phones connect to the internet. Era smart phones globalism it have various brands of smart phones such as blackberry, iphone, Samsung, Nokia, Huawei, and HTC.

These phones have to compete each other hardly. All these brand need to show off their grandeurs to the world. Samsung, the No. 1 maker of mobile phones, aims its Galaxy models at the top end of the market.

Apple sells its iPhone to these customers, too.And while sales of smartphones continue to grow over all, the rate of increase for the more expensive devices has been easing in recent months. In recent days, BlackBerry and HTC, the Taiwanese phone maker, have also reported difficulties selling advanced smart phones. Apple's and Samsung's position in the high end of the market allows them to collect most of the profit from smart phone sales in China, analysts say.

Apple sells 55 per cent of the phones priced at $450 or more, with Samsung accounting for 40 per cent, according to Sanford C Bernstein, a brokerage firm.Analysts say Samsung is somewhat better positioned than Apple to take advantage of the expected surge in sales of cheaper smart phones, because it already sells a broader range of handsets in China. Rival smart phone makers like Sony and HTC have mounted a renewed challenge with their latest handsets. But for Samsung, the real problem may be that much of the growth in smart phone sales in coming years will be at the lower end of the market, where Chinese manufacturers are gaining share.

Samsung simply does not have the most appealing models for those consumers. As smart phones become increasingly commoditized, prices will fall and profit margins will shrink. “The concern is the future of the smart phone market, which is already saturated at the high end,” said C. W.

Chung, an analyst at Nomura Securities. “ The smart phone industry may be becoming more like the PC industry,” in which consumers make their buying decisions mostly on price, despite attempts by manufacturers to differentiate their products.