A number of smartphones sold in Russia in Q1 2011 is about 1.5M while in Q1 2010 it was 0,6M.
Among the reasons: devices became cheaper (as considered in Russia:)), quality and set of services became much higher (there are at least three big and really competing providers).
In Q1 2011 average price of a smartphone was about 11 000 RUB (today ~ 400 USD).
Mobile Internet is today very popular.
Nokia (Symbian) is definitely leading.
Source: VEDOMOSTI, May 4