WIN CE Ndrive g280

Hi!

I have a NDRIVE G280 and i can't enter on the Navigation Icon anymore. I would like to upgrade to the latest firmware and maps. I couldn't find a tuturial for this and for that reason i have the GPS unusable.

Could you please help me?

I have this INFO on the System INFO:

RomVersion: 66C.YF.Y.1117
Processor: ATLASIII
RAM Size: 64 MB
Software Version: V2.0.0.6.17