The up and coming mobile operating system is Symbian. What used to be an exclusively Nokia operating system is now being adopted by companies like Samsung and Motorola. The reason for Symbian’s growing popularity is that it is leaps and bounds ahead of its competitors. The Nokia operating system is the closest to it but does not really compete with its rich variety of features, not to mention other operating systems like that of Motorola. Symbian is on its way up.