Update using your phone
You can download most software updates straight to your phone, with no need for a PC. These free software updates from Nokia keep your phone working at its best, with improvements to battery life and performance as well as new features.
Select Menu -Applications - SW Updates.
Select Options - Settings - Auto-check for updates
Select On and OK
Update using your PC
If you use a PC, Nokia Ovi Suite can check your phone’s current software version and download new versions when they become available, using your PC’s internet connection. It’s free to download and use Nokia Ovi Suite. It runs on Windows 7, Windows Vista and Windows XP. Nokia Ovi Suite also helps you to back up your contacts and photos, synchronise your calendar and update other applications such as Maps.
On your PC, open Nokia Ovi Suite and connect your phone
In Nokia Ovi Suite, select Tools - Software updates.
From the list of available updates, choose what you’d like to install.