Sorry for my bad Englisch, i'm Dutch
Today i bought a Macrom m-dvd5542r navigation radio
The radio is perfect, but the navigation Igo 8 maps on the SD-Card is from 2009
when i put the newest map of The Netrherlands on the SD-Card in the folder maps, my carnavigation dont reed this country
It seems the navigation or SD-Card is locked.
I have also tryed to replace the basemap, but it wont work.
Is there a way to update the maps for my navigation radio
I hope you can help me.

Kind regards Omuh Henk