GPS Week Number Roll-Over

VikramKVikramK Posts: 6,228 [Moderator]
edited February 14 in News and announcements
Hello All,

The GPS Week Number Roll-over (WNRO) is a result of how the Global Positioning System was originally set up and occurs every 19.7 years. The range of week numbers is limited to 1024 in total, and we will reach this maximum on 6 April 2019.
  • None of our Nav4 devices are affected.
  • Nav3 and Nav2 devices may experience some of the following issues:
    • No time
    • Frequent loss of GPS signal
    • No GPS signal at all - navigation impossible

We have already started rolling out fixes for this last year.

To get as many affected users to install the fixes before April we plan to send emails encouraging users to update their device.

The website is now LIVE.
  • None of our Sports and Action devices are affected.

Zur Ankündigung in Deutsch      Cette annonce en français

Regards,
Vikram



vwlf8v6fglwj.jpg
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Comments

  • toytomtoytom Posts: 4 [Master Traveler]
    I have a GO5200 (nav4) when i enter my serial number it says: After 6 April 2019 your navigation system will continue to navigate but can not show the correct time and the expected arrival time. Fortunately, that is easy to solve with an update that we have prepared for you below.When I push update now I come on the website tomtom home?nav4 does not work with Home ?
  • VikramKVikramK Posts: 6,228 [Moderator]
    edited February 13
    Hi @toytom

    I tried entering the serial number of your GO 5200 WiFi starting with 'ZB' which shows me this message

    p99bswgibyim.png


    Could you check again, please?

    Thanks
    Vikram
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  • toytomtoytom Posts: 4 [Master Traveler]
    OK thanks VikramK
    I tried on the English page and there it is as you mentioned it, but on the Belgian (Flemish) page it is as I mentioned. Probably a problem on the website.
  • VikramKVikramK Posts: 6,228 [Moderator]
    Hi @toytom

    Thank you... I will inform the team looking after this..

    Regards
    Vikram :)
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  • VikramKVikramK Posts: 6,228 [Moderator]
    @toytom

    The website has been fixed..

    Regards
    Vikram
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  • toytomtoytom Posts: 4 [Master Traveler]
    @VikramK
    I checked the Belgian page and it works OK
    How can i : Did a reply resolve your query, please mark it as answer?
  • AngryBirdAngryBird Posts: 9 [Master Explorer]
    According to Tom Tom and renault web-site Carminat TomTom Live is required to be updated before 6 April 2019 to fix WNRO bug.

    However whenever I connect to TomTom home it doesn't have any firmware updates.

    https://discussions.tomtom.com/en/discussion/1108398/carminat-tomtom-live-gps-week-number-rollover-event-april-6th-2019/p1?new=1
  • JürgenJürgen Posts: 4,519 [Exalted Navigator]
    Carminat TomTom LIVE is not affected and will not require an update.
  • MaryKayMaryKay Posts: 2 [New Seeker]
    I received a notice and my Tom Tom requires the update for the Rollover, but I can't get the program to update when I follow the link from my email
  • DougLapDougLap Posts: 293 [Superuser]
    Hi @Mary Kay

    Please advise what model of Tomtom unit you have.

    Doug
  • AJ64AJ64 Posts: 1 [New Traveler]
    I'm having the same problem as Mary Kay.
    Both the Start 20 & Go Live 1005 have been identified as needing the Rollover update but neither show the update concerned when connect to my pc.
    Kawasaki GPz 750 Turbo E1
  • MaryKayMaryKay Posts: 2 [New Seeker]
    TOM TOM VIA
  • MaryKayMaryKay Posts: 2 [New Seeker]
    I entered my Serial #, then it said to Update now; when I clicked to update, there wasn't an update to install. It states my device is Up to date.
  • VikramKVikramK Posts: 6,228 [Moderator]
    edited February 14
    @MaryKay & @AJ64
    VikramK wrote: »

    We have already started rolling out fixes for this last year.

    To get as many affected users to install the fixes before April we plan to send emails encouraging users to update their device.

    The update which covers the fix for the GPS roll-over was included in a firmware released last year....

    HERE you can find which is the latest software version available for your device and HERE you will find the steps to check if your device is already on the latest version.

    Thanks
    Vikram :)
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  • justmebrowsingjustmebrowsing Posts: 291 [Renowned Trailblazer]
    VikramK wrote: »
    The update which covers the fix for the GPS roll-over was included in a firmware released last year....
    Thanks
    Vikram :)

    So why were we not told that instead of a vague "Maintenance release"?
    Secrets & lies? Ignorance? Indifference?
  • NJFRNJFR Posts: 7 [Apprentice Traveler]
    i have an email advising a required GPS update has been sent but if i try updates over WIFI it says i'm up to date, this is just crazy, if i plug my 6200 to my mac it stops WIFI working and just goes on & off re wifi and doesn't get any updates, just charges it, the my drive app pops up and says update over WIFI, so basically plugging to PC just charges now, but why don't i see updates if there are some ? at least give option to use 1) the my drive app, or 2) WIFI.
  • VikramKVikramK Posts: 6,228 [Moderator]
    edited February 15
    Hi @NJFR

    Your GO 6200 WiFi is unaffected by this!

    See the first post on this topic...

    Here is a website where you can confirm: https://www.tomtom.com/en_gb/updates/

    by entering the serial number of your device.

    Regards
    Vikram
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  • bigbig Posts: 1,464 [Superuser]
    @NJFR about the other issue you mention -- wifi turning off when you plug the TomTom into your Mac: Yes, Wifi turns off on the TomTom because when plugged in to your computer via USB the TomTom uses your computer's internet instead. That way you can update even if you have no (or unreliable) WiFi.
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