The firmware version 013.016 is coming now for Nokia C7-00, soon after Nokia N8 and Nokia C6-01 have already received the goodies.
This software release version 013.016 brings you performance and usability improvements as well as an enhanced social networking experience with more convenient picture and video sharing, an improved version of Quick Office, and a new version of Ovi Store. With the improved calendar, it is possible to respond to meeting requests and see the meeting location on the map.
To get this software through your device, select Applications > Software Update, and choose the software you want to update. Alternatively, this software release is available through the Nokia Ovi Suite.
For more safety you should make a backup of important data on your phone before to hit the update.