It is research based project.The interaction of different OSI layers towards 4G is discussed in this.The issues and their appropriate solutions Application Layer, Session Layer and Network Layers of OSI model are given in this project when switching to 4G. These layers are discussed in detail when migrating from 3G to 4G in Wireless Networks.The issues discussed and given in this project are such as Qos perceived by the user,Protocols used by the application,User based networking, User profile management and some others.