Hi Bernd,
No didn't work. only the description of the last layer is visible on the device, see the attached screenshot 106.jpg
Are you creating multiple maps from single template.img? Template.args include "mapname", which overwrites definition, that you give as mkgmap option. This results in duplicated mapnames in your files. GPS rejects duplicates and probably this is the reason, why you don't see maps. You can try to remove mapnames from template.args: grep -v mapname template.args > template2.args And then compile map with options like this: ... mkgmap.jar ... --mapname=65001001 -c template2.args --description=bonn_20150306_1700_basemap --gmapsupp The only advantage of using template.args is that you get name for each tile, which is not visible in GPS anyway. -- Best regards, Andrzej