Ok, so I downloaded the cndv-80mt west disc a while back and burned it to use on my N1. Sometimes I would get read errors and it would hardly ever let me navigate to a certain route, it would say route calculation not possible. I ended up downgrading it to the 70mt and it worked perfect, Im not sure if it was just a bad download, it was the one from here on 411. Now i have the D2 and I want to try the update, with a new burned disc ofcourse, but I want to be ready to downgrade before I do so, in case i get the same errors.
I read a few posts that said just to do a language switch, and the
