faCTORY NAV DISC'S

[dmaxx3500]

what id everybody using ,3,4.1,5.0,,what works,,its time to upgrade from my 3.0 to ?

 

[Unit453]

I'm using a 4.1. I have a couple disks laying around, many of which dont work for mine. I can send you one if you like. I think the oldest I have is a 4.1.

 

[dmaxx3500]

im still looking for a used 4.1 or 5.0 nav disc to test my nav with ,copys are ok too