Symbian is one of the most promising and popular Smartphone Operating system, used globally by the people. Well, the toughest competitors are there, like androids and iOS. Still, Symbian have managed to set its own and distinguish image in the electronic gadget market. Top mobile brands like Nokia, Sony Ericson, and Motorola have few great Symbian OS based mobiles. Being a Smartphone OS, the most appreciable asset of Symbian is that you can find a wide range of apps compatible with these Smartphone.