I updated my tomtom go 910 with just the map 955 6747 as when looking at the charts. I thought it showed it would work with my navcore 8.415 and patched it but when I start the tomtom it says can not use this map on this device
will keep reading and maybe I will have to change the navcore as well, when I swap it over from x40 to x30 on my tomtom its says the map is 47 months old.