Nokia Belle update is expected to be available from February, but still it is not specified as to when exactly will Symbian users be receiving the update.
Some hints about the update, This update will not be an OTA update due to its large file size and thus users will need to update their Symbian Anna devices through the Nokia Suite program on their computers. The update will bring about six homescreens, enhanced widgets, a new pull-down notification bar that is reminiscent of Android and recently iOS 5. The devices expected to be eligible for the Nokia Belle update includes the Nokia N8, Nokia E7, Nokia E6, Nokia X7, Nokia C6-01, Nokia C7, Nokia 500 and Nokia Oro, with the Nokia N8, C7 and C6-01.