I can activate some map with this tools but now It's not possible.
1°) Ichsoe the TT8keygen.
2°) I enter de Id (*.bif) of the device.
3°) I select de Map folder on my sd card.
4°) I browse for the Meta.txt.
5°) I click on Generate the *.meta.dct file.
tt8 keygen.exe created 18 x *.dct file(s)!.
But the map didn't work .
I've tomtom7.9 in a mio moov v505tv.