TomTom ONE model and navcore questions

Thanks for the complement Dave

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pe1agp Reviewed by pe1agp on 15th January 2019. TomTom ONE model and navcore questions Hi, I'm new to this forum and I'm impressed by the knowledge and the work. I own a TomTom One and I am trying to update it. Of course it's not going without hickups. The device is a bit different from what I find about the One, which makes things a bit confusing. When I connect it to my laptop it shows itself as "TomTom ONE (v4)". The ID starts with "Z3". When I compare this to the "List of TT-devices" (thanks PeterHimself), it shows : "EoL Z3 NAV2 TomTomHome ONE New Edition (v4) (CorkO) Rating: 5