Diamond + TomTom = semi-functional GPS (not a lag problem)

[hertc]

I have been using TomTom7 on my diamond for almost a year. First several months it was working fine, just some lags or freezes on roundabouts, which was not a big issue.

Then it started doing this strange behaviour at some occasions: I start TomTom, it finds satellites fairly quickly, I start driving, all fine. Then after some distance it loses coordinates (you can see the blue arrow, but everything behind it is grey and it is not following the route). Sometimes it fixes itself for a short time, then does it again. Sometimes this is all, whatever you do (reroute, restart tomtom, restart phone) it won't come back. Some days none of this happens.

Nothing in configuration had changed, I've been using the same radio and rom for almost a year.

I was really annoyed by this, could not simply rely on tomtom. Now I updated the ROM, and yesterday this happened again :(

If this was discussed before, please point me in the right direction, most of the threads I found by search were about lags or configuration.

[spikeuk76]

It might be the Quick GPS Programs, I recall having a simular problem where the GPS would work for about 5 minutes then turn off, only turning the phone off then on then running up tomtom again would get another fix, only for it to run for a further 5 mins or so.

I think I disabled the quick GPS in the registry using PHM registry editor or something simular.

It might be worth considering updating the ROM. I'm running BsB's which seems much better than the stock offerings.

[gonx_me]

I've also had this problem with the latest rom from HTC (regular rom) with the radio 1.09.XX

I've updated to radio 1.15 and the problem is gone.

[hertc]

Thanks for you replies.

I've now updated the radio to one of the latest (1.09.25.23), the ROM was already recent (2.07 Gen.Y). Will test it during the week.

The solution based around disabling of Quick GPS - wouldn' it make the start up time longer ?

[hertc]

I've updated to radio 1.15 ..

I have tried to install this radio, but got "Invalid Device Id" message, 1.09 installed with no problems. The phone is security unlocked, could not understand what was the issue and just moved on .. :-/

[bokbacken]

Hi all,

I had a similar problem and it appears to be the timezone, by reasons unknown my Diamond was set to a timezone of Stockholm, now that looks ok, but it is not a normal timezone.
I changed it to Stockholm, Berlin, ... the standard timezone and once again I got a fix fast and easy.

The thing that you get a gray screen is that you our somewere in the middle of the earth according to the GPS, you notice this if you could see the coordinates and altitude.

I have iGo in my Diamond, but the problem was the same when using Google maps so it wasn't a problem with the program.

I have also changed my iGo to have a manually selected time zone, because I'm not sure if it might be iGo that made the change for me.

But now all my GPS works splendid, and I have a fix within 15 seconds.

[bigbro168]

i do have similar problems.. but it only happens when i'm in the dense core of downtown toronto where all the tall buildings are..

I think it's because the tall buildings are blocking the signal somewhat that is why your GPS kept on running out or coordinates and relocating itself again

[hertc]

I think it's because the tall buildings are blocking the signal somewhat that is why your GPS kept on running out or coordinates and relocating itself again

I am in rural Scotland actually, the only high buildings here are castles which are miles away .. so this must be something different.

Neither it seems to be dependent on the sky nor battery level ...

p.s. testing new radio, so far so good ..

[hertc]

Just some feedback from testing: the original problem seems to be solved, but now I've got something much worse - sometimes TomTom freezes several second after the launch, and nothing can be done apart from restarting to bring it back. Don't know if this is a radio's or ROM's issue as I have changed both. Reinstalling TomTom from .cab did not help.

Anyone had similar experience ?

[hertc]

Just some feedback from testing: the original problem seems to be solved, but now I've got something much worse - sometimes TomTom freezes several second after the launch, and nothing can be done apart from restarting to bring it back. Don't know if this is a radio's or ROM's issue as I have changed both. Reinstalling TomTom from .cab did not help.

Anyone had similar experience ?

[borce_razor]

Hard reset maybe will help

[hertc]

Yes it may, but 3 days before holiday I do not want to be installing everything from scratch. I could try another ROM too if not this.

Tried - atifix, starting with bluetootsh on, wanted to reconfigure GPS setting in TomTom, but can't get there yet ... must be either BT or GPS connectivity

[hertc]

Yes it may, but 3 days before holiday I do not want to be installing everything from scratch. I could try another ROM too if not this.

Tried - atifix, starting with bluetootsh on, wanted to reconfigure GPS setting in TomTom, but can't get there yet ... must be either BT or GPS connectivity

[hertc]

Updated radio to the latest 1.15.25.14 with 1.15.25.35 rilphone, made no difference at all ..

[hertc]

I think I found it - G-Profile service was the cause of the problem. Once I stopped it, TomTom has got 100% starting rate. It's a pity, was a nice small app to have.