Ok i've been reading all over the posts and gleening much info.... So I've tried the upload of the 2.0 file.. no luck just hangs when it gets to 77%. Tried all the suggestions for that issue , nope . I could get part of the menu.. but most of it is non working.. If I press the map button then i get the diclaimer.. and freezes there. Now I can't even get the AVIC to boot from the SD card.. So it seems I've got a unit with only part of the files it needs to operate. I did not bypass anything when i installed it. My back up camera was working then it would go all fuzzy. Maybe my camera is h