Hi all
I have a problem with the firmware on my rns
I have 3970 at the moment have tried to upgrade to 3980 to no avail
It will eject the cd saying cd/DVD error I have used quality disc to write image on about a dozen times the last one I tried did start then came up with
System unable to start please insert swl cd now I am at a total loss
Any help comments would be very much appreciated
Sorry forgot to say rns was factory fitted as was Bluetooth rev camera etc etc
Car is 2012 gtd in candy white