Well I am really annoyed now as I cannot return this Tomtom to where I bought it, as it is not faulty, so I am stuck now with this piece of crap.
I rang Tomtom support and asked why we were no longer allowed to customise our units, and they came straight out with to stop piracy, so we can no longer download anything from the internet and install it in your tomtom, they are locked and will be staying like that from now on. No more custom sounds, Poi's, Voices, bluetooth connection other than by phone no more connection to car radio, no SD cards or anything else, unless you buy it from them on their site, and they install it via TomTom Home.
Sometimes you will get your map and you are unable to install it all on your unit, here is their solution:-
"Due to the continuous improvements in our map quality, some new maps may not fit on your device. In these cases, detailed Map Zones are offered for download. You can only use one Map Zone on your device at a time but it's easy and free to change to another zone at any time using [color="red"]
tomtom.com[/color]."
So my advice to you all, stay away from the Go 1000 series and the Via series and any further new versions. As a matter of fact boycott TomTom all together. All I can do now is use this for the 12 months and then throw it in the bin as I am not going to pay them £130 per year to use it, (Maps, Live Services, and all the other things you would have to update).
Maybe I can pray that someone can unlock them soon. £260 is a lot to lose for a heap of junk.