Update: Nokia’s Employee Skyee has updated on their official forum that, Symbian Belle isn’t arriving that much earlier as rumored by GSMArena and NokiaTweet blog. Nokia is currently ensuring the 100% availability of Symbian Anna firmware across the globe on all variants keeping in view the major focus on US, Canada and Australia variants of Symbian Anna. Apart from that he also cleared that Symbian Belle is definitely arriving but not on 26th October.

…and I can already tell you that this one is just a rumour & definitely not happening.

As you all know we are NOT announcing any dates for our software updates in advance. Plus: At the moment our focus first is to get Symbian Anna out to our customers in the US, Canada & Australia. Symbian Belle IS coming – but definitely not on 26th October as some blogs are claiming.

http://discussions.europe.nokia.com/t5/Software-Updates/Symbian-Belle-coming-10-26/td-p/1172313

According to GSMArena and NokiaTweet, Symbian Belle firmware update can be expected on 26th October for all Symbian^3 and Anna based device which include Nokia N8, E7, C6-01, C7, X7 and 500.

Symbian Belle firmware update would bring all new user interface for Symbian^3 based devices. This update is the most anticipated one and will deliver the most exciting user experience ever on Symbian platform.