Popular Mobile operating systems.

There are number of operating systems in Mobile market the leading OS can be found on this smartphones includes Nokia's Symbian, Google's Android, Apple's iOS, RIM's BlackBerry OS, Microsoft's Windows Phone, Linux, HP's webOS, Samsung's Bada, Nokia's Maemo and MeeGo among many others. Android, Bada, WebOS and Maemo are built on top of Linux, and iOS is derived from the BSD and NeXTSTEP operating systems, which are all related to Unix.
The most common operating systems (OS) used in smartphones by Q3 2010 sales are:

Mobile Market Share  :

Latest news reveal that Apple is the Top US mobile manufacturer followed by RIM (Blackberry) and HTC.