Nokia released a new major firmware for Nokia C6-00.

current version now: V20.0.41

the new firmware should be available right now via NSU or OTA.  

improvements and changes in this firmware for Nokia C6-00:

• - fix implemented to keyboard freeze proble
• - performance enhancements done
• - email application stability improved
• - memory related issues have been improved
• - some changes to memory card/mass memory
• - maps data version 24

• - Ovi contact 1.5.x
• - Ovi store update 1.6
• - Ovi maps 3.0 SR4
• - easy dialing from touch dialer
• - here and now 2.0
• - nokia In-device tips
• - twitter link
• - new themes: pink and blue

if you find more changes or updates for this release, post a comment below.

thanks to the fonearena folks for pointing at that :-)