Symbian one of the most successful smartphone operating systems ever produced will get its next version on some Nokia devices (which were previously running Symbian Anna and ^3) around February 2012.
The update will be available to existing smartphones such as N8, E7, X7, C6-01, C7, Oro, E6, and Nokia 500. Symbian Belle was first seen with the release of Nokia 600, 700 and 701. From then it has been receiving good reviews and feedback.