GPS Week Number Rollover [WNRO] JUST Findings, Fixes, and Frustrations

**George99** · 2nd February 2020, 06:11 PM

Hi to everyone,
sorry to bother with my Tomtom One 3rd edition, with GL1 chip and 9510 navcore, but I try to fix my WNRO problem and I am just redirected from one thread to another with lots of pages and I don't find a working solution for it. The date problem could be fixed, but the satellites level is after a reset ok and later, while driving, it can lose the position of the car.
Does somebody know how to fix the problem or does there exist a full package for this TomTom model that I can use?
Thanks in advance.
George

George99 Reviewed by George99 on 2nd February 2020. GPS Week Number Rollover [WNRO] JUST Findings, Fixes, and Frustrations Let's keep this new topic JUST for what we see AFTER the "magic" end-of-the-world WNRO on Sunday 07-Apr-19 morning. If you do post anything here; good, bad or indifferent and/or any successful workarounds, then please remember to tell us which device and navcore you're using to get these findings so it may help others. thankyou Rating: 5

**stuntdouble** · 2nd February 2020, 06:33 PM

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Had same problems with my V3s ,needs a reset or regular quickgpsfix updates otherwise picking up the sats is very hit and miss. Mine can work fine for a while including a few normal restarts then suddenly refuses to lock onto any for ages.

**George99** · 2nd February 2020, 08:19 PM

I understand, but the windows are of the same kind and as I wrote before, it doesn't matter on which side I start the system and where I move afterwards. First I have a full level and afterwards something less than half.

**pe1agp** · 7th April 2019, 02:14 PM

My report:
Go 950 with 9.541 not a single problem, time correct

Rider v2 start at at 09:30 local time with 00:30 H with Navcore 9.500, hard reset time set to 09:30 H hard reset time 09:31

TomTom One Third edition Navcore 9.541 no time displayed, while I want to adjust the clock manual, it displayed 18:32 H more or less the local time at Australia
after a hard reset still no time availble on the screen while the setting are correct to display all the times available, now trying to receive any satellite

Rider v2, I've made a route to Hoek van Holland, after receiving signals, distance and the time to get there are correct, start a demo, start time demo at 09:43 arrivel time will be 10:22

TomTom One XL 9.541, start with the information screen with for me a strange sound which is very similar to the next patient at the family doctor, the time is indicated correctly
Calculate the time to Hoek van Holland 42 minutes which is more or less the same as from the Rider v2
The strange sound I think I've made a mistake when copying the files, I'll put back the normal drumroll.

While my Rider v2 is halfway, the route is OK and the time the same, my TomTom One third edition refuse to receive any satellite.

My Rider v2 has completed the ride and arrived at the destination as indicated at the correct time, I do not expect any further problems

While the One XL and the One third version are still searching for a satellite signal, I think that they will respond exactly the same and it all
comes down to the fact that the time must have some time to recover from the shock, just like many owners of the various TomTom's

**Alfred_ML** · 7th April 2019, 02:43 PM

To find satellite position is not the problem for my ONE3rd (9.541) and the Go920 (9.702). But keeping the time permanently. After a hard reset, the time is only a few minutes okay, then it is changed back to 00.00.

**srwpchelp** · 7th April 2019, 02:49 PM

XXL 9.541.

When syncing, the time was set to GMT instead of BST.
Soft reset followed by re-sync solved problem.

**Poteo_Roke** · 7th April 2019, 02:51 PM

GO Live 950

9.058 / 1025.9386 no issues (10:52, GMT +2).

**pe1agp** · 7th April 2019, 02:55 PM

I'll later this day to start the tests once more Alfred_ML, to be sure all wil be OK for the next journey.

**BMWdriver** · 7th April 2019, 03:45 PM

Go 750 Live (serial #W4..) with NC 9.541: no issues

One New/Second Edition (serial #Z3..) with NC 9.541 (_Go files, x50 emu) or NC 9.500 (rider5 emu):
navigation: no issues
travel time: no issues
current time: always 00:00
arrival time: 00:00 + travel time (useless)

There are rumours, that TT will update NC for Rider, Rider 2 and Urban to fix the WNRO-bug.

Rider owners pls register your email at

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Pls. let me know, if you get the URL of the original NC from TT

I recommend these NCs:

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**biggerdave** · 7th April 2019, 03:51 PM

550 Live and 940 both with orig/official 9.541 and ONE XL with orig/official 8.010:- no noticeable differences (yet):- all 3 picked up satellite signals within around 1 min as usual, clock holds correct time/route planning shows correct eta, hard reset doesn't put time back to 00.00

GPS Week Number Rollover [WNRO] JUST Findings, Fixes, and Frustrations

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GPS Week Number Rollover [WNRO] JUST Findings, Fixes, and Frustrations

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