Nokia c6 os version is bothering many of the competitors that have been in the hit list among several other smart phones.
In order to indentify the true functionality of nokia c6 os version, you need ot own c6, although it is not that easy either.
The Operating system uses version 9.4 of the latest Symbian OS. It is the v9.4, from among the series of S60. The release is the 5th in terms of S-series OS, that launched earlier few months back.
Well, there always have been upgrades happening even in the Symbian OS, as what seen in the Android Market. Although, there seems to be developers on both the sides trying their best in getting up with advanced applications while also considering the stability factor.
The main features that have been repeatedly led the c6 customers to worry about, is the upgrade to the nokia c6 os version that already exists.