Spotted on TomTom's website:
Content Transfer Assistant
Doesn't mention maps!
Mods: pls. move if in wrong place.
TT Onev1, 9.430 by bmwdriver, 900.4602-> UK&RoI, Europe; 895.4438 -> PL.
No support over PM - check Tomtom Tutorials Section and ask within forums.
Biggest lie in the inernet: I searched but did not find.