Now a days only that item would be successful which has advance technology and looking awesome look.Mobile Phone concept refers to a smart phone that can be docked with external displays and keyboards to create an alternative desktop or laptop  computer system. This is not any particular brand of phone or software, rather it defines a new category of mobile device with a capability beyond a conventional smart phone computer.One of the main ways in which 4G differed technologically from 3G was in its elimination of circuit switching, instead employing an all-IP network. Thus, 4G ushered in a treatment of voice calls just like any other type of streaming audio media, utilizing packet switching over internet, LAN or WAN networks via VoIP.