At the Developer Day in Mexico, Nokia shed some light on the next two Symbian versions - Carla and Donna plus further information on the Symbian Belle update rollout. Symbian Carla is intended for smartphones with a 1GHz processor or higher and will be released in late 2012 or early 2013. It is going to offer a new web browser, new widgets, lots of new NFC capabilities and Dolby Surround audio enhancement. The processor minimum requirement means all the Symbian^3 and Symbian Anna handsets (N8, C6-01, C7, E7, E6, X7-00) are not going to get this version