Nokia has announced the much awaited Symbian^3 update called Anna(aka PR2). According to Nokia, the most obvious and visible feature of Symbian Anna is the new icons.
The redesigned icons are part of the new UI. Symbian Anna packs a split-screen keyboard allowing easier text input, an improved browser and enhanced security features too.
Nokia said that the older Symbian^3 models (N8, E7, C7 and C6-01) will be getting the Symbian Anna “in the coming months” as an over the air update.[Source]- Nokia Conversations