In fact even if I copied the backup March 23 gmapprom.*, 3D is still selectable that is why I was able to post the screen capture here. It is really weird AFAIK.
Originally Posted by Neil
Not explained however is the fact that the NA 3D map is shown as selectable in the unit, so if it's not present on the internal memory it must be on an inserted microSD. Do you have an sd in the unit now and when you updated the maps with GE? Check on the unit and sd for a folder named 'Map'.