FYI: V2.14
Read release notes, you may want to wait few weeks before updating
http://www.hillrc.com/UploadFiles/ReleaseNotes-iCharger406Duo.txt
Link to F/W
http://www.zj-hobbyshop.de/download/iC406DUO_V214.bin
Updater Program
http://www.zj-hobbyshop.de/download/upgrader.exe
How-To-Video
http://www.progressiverc.com/duo-updates
(Think this is the same F/W for 4010/308 but I'm not 100% sure)
Happy charging
Read release notes, you may want to wait few weeks before updating

http://www.hillrc.com/UploadFiles/ReleaseNotes-iCharger406Duo.txt
Link to F/W
http://www.zj-hobbyshop.de/download/iC406DUO_V214.bin
Updater Program
http://www.zj-hobbyshop.de/download/upgrader.exe
How-To-Video
http://www.progressiverc.com/duo-updates
(Think this is the same F/W for 4010/308 but I'm not 100% sure)
Happy charging