The OpenTom project has documented the TomTom hardware and software to allow custom software builds to run - opentom / 2021

• run Linux on your TomTom GPS

Model: Tomtom 4EV52 Z1230.

• openstreetmap
• TomTom Hardware - ARM920T CPU + xxx
  • Tomtom XL
  • Getting to the console of your TomTom - the easiest way is to attach via Bluetooth. - Once attached, hit Enter several times. And some more several times. And… after all it should show you a login prompt. Login as root with no password (huh, anyone to hack into my TomTom?).