Symbian Belle update for older Symbian^3 devices will be released in the early 2012, promised by Nokia.

The official statement is as follows:
Nokia Belle is the latest Symbian software release with all-new user interface, improved user experience, and dozens of improved and new features. We have already shipped Nokia 603, 700 and 701 with Belle software this year, and have received great feedback on the new user experience.
We will make Nokia Belle available to consumers globally by rolling out the Belle software for the existing Nokia range of smartphones such as N8, E7, X7, C6-01, C7, Oro, E6, and Nokia 500 in early 2012. With that, millions of consumers around the world will get a totally fresh experience on their Symbian smartphone
Let’s just hope for the best.
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