thank you for your anwser Boki_Srb and sorry for my noob question .
Do you mean with software the firmware ? Can I get another software/firmware that allows to open the maps ? In earlier Time, I think 2015 I had the firmware 1.11 and I could use newer Maps. For my work I needed the navigation every day.
Perhaps you can help a Noob/Newbie ?
Many Greetings
Ponala

can you give me a link for the right maps for my unit . Is it perhaps Navteq Here ? I dont know sadly.

Greetungs Ponala