[Yo-Yo]

Enter the serial number of your unit here:

https://www.tomtom.com/en_gb/drive/maps-services/maps/selector/

If your unit doesn't appear, it is not upgradable. If it does appear, you will need to throw money at TomTom.

[pabianice]

Yeah. Update is 39.95 pounds ($61.52). I can get a new GPS unit for that. Greedy buggers.