The Grey One
Registered user
Actual route test today failed miserably during the first mile of a 250 mile route: Nav V froze during zooming. My NavV OSM map (gmapsupp.img) is a small 376Mb file of southern UK, leaving 8Gb free space on the SD card. Yes, its could be a card read issue. Great in theory, I was excited, but in reality not useable on my hardware. Note Nav V performed flawlessly during the remaining 249 miles, using Garmin maps.
I suspect there is an issue somewhere other than just using OSM maps. As you say it could be the card. I'm a little puzzled by your file size, if I look at my version the south of England.(that is south of Birmingham) is 290Mb Maybe this is a clue-depends on what you call the south!
I have never had problem on three devices, the same applies to several people I know who run OSM maps.
Shame though because the OSM maps are now superior here in the UK but if your device can't cope it's not much use to you. Lets hope we hear from other Nav V users
John
