Hi I have tt7 on my double din radio and it loads fine but the latest map is not working ,do I need a dif map or is there a way to fix it ?

It says the activation key is not for the MAP.(Southern Africa 885.4088)

I downloaded from this thread : http://gpsunderground.com/forum/tomt...ysia-maps.html
I want to use tha SA maps ,please help.

Thank you.