Here's my device info:
TTGO.BIF:
DeviceName=TomTom GO 720
DeviceVersionHW=GO 720
BootLoaderVersion=55250
ApplicationVersionVersionNumber=8351
ApplicationVersion=9982
CurrentMap=North_America_P_875_3669
CurrentMapVersion=875.3669
TTGO.BAK:
DeviceName=TomTom GO 720
DeviceVersionHW=GO 720
BootLoaderVersion=55250
ApplicationVersionVersionNumber=8351
ApplicationVersion=9982
CurrentMap=North_America_P_875_3669
CurrentMapVersion=875.3669
TTGO.ORI:
DeviceName=TomTom GO 720
DeviceVersionHW=GO 720
BootLoaderVersion=55250
ApplicationVersionVersionNumber=9205
ApplicationVersion=547817.1
CurrentMap=North_America_P_875_3669
CurrentMapVersion=875.3669
The device boots and displays the map, then the volume control and route selection (no route planned) work when selected, but if you press the map to get into the menu the screen grays out, freezes and then ...