TomTom- No GPS Signal 2019 | Week Number Roll-Over | TIMER Reset 00.00 | Error-"You cannot use this map"

https://discussions.tomtom.com/en/discussion/1112782/tomtom-no-gps-signal-2019#latest

NEED RESET AFTER 9 APRIL; LOST MY SERIAL NUMBER. WHAT TO DO

NEED RESET AFTER 9 APRIL


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Answers

  • DougLapDougLap Posts: 2,227 Superuser
    HI @JANPILON

    Turn the unit on and when working hold the ON/OFF button down until you see a page with writing on it which will appear after about 20 seconds and you have heard the Drumroll sound. Once the white writing appears let go of the button.

    The Device id is your serial number which starts with 2 letters.

    Doug.
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