Now super popular Indian public-rights activist Anna Hazare has no less than a brand, and realizing the same Nokia seems to have named their latest Symbian OS update on this great activist as - Symbian Anna.

Available as a free upgrade for Nokia E7, N8, C7 And C6-01 and as an pre-loaded OS for Nokia X6 and E6 the new software upgrade brings refined user interface, better performance, better battery life and lots of new features and updated applications to your compatible Nokia device.

Detailed Introduction, comparison and how to update videos after the jump.

Facing very tough competition from iOS, Android and Windows Phone 7 based smartphone's, Nokia has now came-up with three new models of cellphones and a brand new "SMART" mobile-os named "Symbian Belle".

The new jazzed-up mobile OS platform "Symbian Belle" features NFC sharing, pairing functionality to the table, a total of six home screens, live widgets supporting five different sizes, dynamic lock screen, and a pull-down task-bar cum notification menu.

Nokia also announced three new devices Nokia 700, 701 and 600 which will come pre-loaded with "Symbian belle" OS and top-of-the-class hardware specs - images and video of new mobile-os and phone models after the jump.

Symbian OS v 9.4 (Developer Platform - Series60 5th Edition)is finally released and will be coming with upcoming Nokia 5800 Express touch-screen mobile phone, the new mobile operating system will have support for touch screen control, higher screen resolutions and widescreen mode of viewing, Addition of touch screen capability with support for accelerometers, latest WebKit version, Flash Lite 3 and enhanced multimedia functionality the Symbian OS is once again in race with Apple iPhone and Google Android platforms.