Dear ALL,\I have serious issue with my Navigation on the car, it keep saying failed to load the maps

My Navigation is Garmin KNA-G420AT based on Kenwood DDX 7039 and I am trying to upgrade my maps and lost the old one and I am now in big lose.

I need Middle East Garmin 2012.40 or latest one and I need to ask how to upload it on the same device above.

last thing do I have an option to upgrade the map graphics like the new one or to support 3D or Cameras or anything

I will deeply appreciate help on this as my wife cannot drive the car since a week on UAE.

By the way I have used SD 2 GB which is not the original because the old one was 120 MB which is not enough for the new maps