Nokia C6-00 firmware updated to v40.0.021. Its previous software version was 20.2.042.
You can update your Nokia C6 firmware over OTA (Over-The-Air) or by using Windows PC applications Nokia’s Software Updater or Ovi Suite. The Nokia C6 does have UDP (User Data Preservation), but its always good idea to backup all of your personal data before updating the device firmware.
New, faster version of the web browser, including web search integrated into the web address field, and support for multiple windows
New, quicker and easier chat and mail applications
Updated Music player with folder playlists and lyrics support
New emoticons and smileys in text and multimedia messages
Performance and usability improvements
Ovi Contacts removed
Note:It may take some time before the new firmware is available for your region.