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  1. NBAJ2K's Avatar
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       #1  
    Just wondered if there is GPS lag on the Treo Pro just like there is reported on the Touch Pro. I currently have the 800w and was thinking about switching to the Touch Pro, but then I found out that it has pretty bad lag when using GPS. I thought i read that the Touch Pro and Treo Pro have the same chip, so I wasn't sure if that is an issue.

    I'm a big Treo 800w fan, but the built in 3.5 port would be huge. Looking forward to it coming to Sprint.

    I apologize if there is already a thread on this.

    ~J
  2. Biggles's Avatar
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    #2  
    I think any 'lag' is probably more down to who reports it and their own perceptions, as well as the software they are using, rather than that there is any difference between the devices. See:-

    http://discussion.treocentral.com/sh...6&postcount=76
  3. #3  
    I think that maybe the touch pro and treo pro (both made from HTC) have probably the same GPS Chip, so maybe they share the same GPS lag issue.
    Chester Vargas - Palm VII, Handspring Visor, T2, T3, TX, Treo 650, 680, 750, Treo Pro ==> iPhone 3GS 32GB ==> Pre Plus at&t ==> Pixi Plus at&t ==> Pre Plus at&t
  4. #4  
    In my experience, there's no lag problem the Treo Pro GPS -- it's very responsive. That issue seems to be isolated to the Touch Pro.
  5. #5  
    Quote Originally Posted by JohnLar View Post
    In my experience, there's no lag problem the Treo Pro GPS -- it's very responsive. That issue seems to be isolated to the Touch Pro.
    I suspect that the lag issues that a few folks have reported stem from the same problem as the Touch Pro, which is namely maxing out available resources, which causes the GPS driver to lag (as it's a lower priority than running processes).

    This would make sense considering that most of the reports of GPS lag I've seen were with more CPU/memory intensive programs. Additionally since the Treo Pro is running a lot less than the Touch Pro (such as TouchFlo), it's going to be more difficult to max out the available system resources, which means less people will see the problem.

    The Touch Pro's lag issues seem to be solved by running a program that prevents TomTom from eating up all available resources.


    I haven't used either device on an extended basis, so that's just my musings based on what I've seen posted, research done on XDA, and my digging around in the two system's ROM's.
  6. #6  
    No lag on the Treo Pro or Touch Pro.
  7. #7  
    Quote Originally Posted by Ebag333 View Post
    The Touch Pro's lag issues seem to be solved by running a program that prevents TomTom from eating up all available resources.
    What's the name of the program & is that program available for download & installation on the Treo Pro?
  8. #8  
    Quote Originally Posted by kraski View Post
    What's the name of the program & is that program available for download & installation on the Treo Pro?
    I saw it on XDA dev's in passing. It wasn't anything I needed, so I just passed by it after reading most of the thread.

    Look in the Touch forums, I think it's under the development/customization forum.


    Unfortunately GPS lag is clearly an issue for most Touch Pro's. In fact, HTC announced that's one of the reasons why the Sprint Touch Pro was delayed, to supposedly address this issue. I don't think that HTC would announce fixing a bug that didn't exist. The question is, did they actually fix it. It seems they did, but there hasn't exactly been a lot of testing on it....
  9. #9  
    Plenty of testing shows no GPS lag on the Touch Pro and 100% working standalone GPS. Nice.
  10. #10  
    Quote Originally Posted by nsxprime View Post
    Plenty of testing shows no GPS lag on the Touch Pro and 100% working standalone GPS. Nice.



    http://wmexperts.com/articles/do_you...n_the_tou.html
    http://pockethacks.com/htc-touch-pro...-problems-fix/
    http://forum.xda-developers.com/showthread.php?t=427888
    http://forum.ppcgeeks.com/showthread.php?t=41736
    http://blog.mohdimran.com/2008/11/ht...-tweaking.html
    http://www.gpspassion.com/forumsen/t...OPIC_ID=119696
    http://forum.ppcwarez.org/viewtopic....st=0&sk=t&sd=a
    http://forums.buzzaboutwireless.com/...thread.id=4944
    http://forum.vodafone.co.uk/index.php?showtopic=8362
    http://forum.vodafone.co.uk/index.php?showtopic=12456
    http://forum.xda-developers.com/show....php?p=2902473
    http://gpsobsessed.com/htc-touch-dia...unctional-gps/
    http://forum.ppcgeeks.com/showthread.php?t=44510
    http://forums.wmexperts.com/showthread.php?t=172717

    Or you can continue on with one of the other thousands (literally) of links you can find on Google re: GPS lag for the Touch Pro. (Approx 15,700 unique results reported for the search, with a mere 19,800 reported total results.)


    And of course there's the slight minor problem of HTC admitting there was a problem.

    Quote Originally Posted by egg
    After I wrote to o2 Germany, they admitted the issue and said they were working with the ODM (ie HTC) on a fix.

    I have since written to HTC, and received this reply:

    ------------------------------
    Thank you for contacting HTC Europe.
    The GPS issue you have described is an issue that HTC are investigating.
    Tom Tom haave not supported the installation of their product onto Touch Diamond WM 6.1, we have however escalated this issue and are working on a resolution for our customers.
    ------------------------------






    Nice.
  11. #11  
    Quote Originally Posted by nsxprime View Post
    Plenty of testing shows no GPS lag on the Touch Pro and 100% working standalone GPS. Nice.
    ALL GPS devices have Lag. The Touch Pro and Treo pro have no more lag than a dedicated Tom Tom or GArmin unit when running those programs. The 800w has the same "lag"

    The reason why you see more complaints on the touch pro than on the 800w is it is a much more widely sold device, more experts such as xda developers bought the phone then the 800w which very few experts bought -- and because the 800w has other serious GPS problems so the lag is not too much of an issue.

    googling and finding more complaints on xda, where they don't even want 800w forums is like google comparisons of comparison of iphone vs treo. flawed.

    Anyone running them side by side as I have sees the lag in the same devices. there are also notes from users that top of the line

    As far as the laughable googling of lag and pro and list of links, one gets 100 more complaints of lag on $400 dedicated GArmin and TomTom units.

    The irony is that it is not a system resources issue on the pros sine the biggest lag occurs with some fo the least demanding programs. TomTom and Garmin have compensating algorithms in their software to make up for the lag you get with every single device not tied to an accelerometer.
  12. #12  
    Quote Originally Posted by aero View Post
    ALL GPS devices have Lag. The Touch Pro and Treo pro have no more lag than a dedicated Tom Tom or GArmin unit when running those programs. The 800w has the same "lag"
    That's simply not true. There have been plenty of side by side comparisons between the Touch Pro, other devices, and yes standalone GPS devices.

    But hey, don't believe me. Take the word of an actual HTC employee.

    Delay for Sprint Touch Pro release--why? Needs a ROM update to fix the following:

    Camera Lag issues: Software
    GPS Lag issues: Software/reg edit
    TF3D exception issues: software/reg edit/update
    Camera Update - Software
    System Performance with Processor - Software Update/patch
    Speaker Volume issue - Check Hardware - Software/AD Update
    Control PAD malfunction - Software/Update





    This is an interesting trend. First the various carriers (all of them, apparently) are accused of falsifying battery life measurement tests. Now they're accused of falsifying fixing bugs.


    Okay, the battery life one I can get (despite it being not true). But HTC being accused of lieing that they fixed a bug? Last I checked fixing bugs is a *GOOD* thing (as is carriers/manufacturers admitting there is a problem).
  13. #13  
    Compared to the 800w, the GPS on the Touch Pro is lightning fast. It also works as it's intended to. Can't say the same for the 800w.
  14. #14  
    Quote Originally Posted by nsxprime View Post
    Compared to the 800w, the GPS on the Touch Pro is lightning fast. It also works as it's intended to. Can't say the same for the 800w.
    I don't remember seeing much lagging on my Treo Pro side by side with my Nuvi 205W. Anyway, I'll try it again later.

    Using Holux GPS Viewer, that displays NMEA sentences sent by TreoPro internal GPS, I don't see the GPS lagging problem I had with HTC TyTNII.

    Anyway, the HTC TyTNII GPS lag problem was the NMEA sentences comes in bursts every 10 seconds or so, instead of updating every second. That of course gives totally unacceptable GPS lag. I had to download an updated MapKing GPS software, that somehow initialize the internal GPS to properly send NMEA sentences every second. Some other GPS programs, such as GPSProxy also can do the proper initialization for the TyTNII internal GPS.
    regards, sabre23t =^.^=
  15. #15  
    Quote Originally Posted by sabre23t View Post
    I don't remember seeing much lagging on my Treo Pro side by side with my Nuvi 205W. Anyway, I'll try it again later.
    Oh don't mind Nsxprime. He's mixing in an incorrect statement with one that's long been decided. Heck the 800w aGPS vs GPS thing isn't even recognizable as a horse anymore, it's been beaten so much.

    Nsxprime is trying to claim that the Touch Pro's GPS is faster than the 800w. Nevermind the fact that this is the Treo Pro forum, he likes to try and confuse people when they start figuring out he's wrong.

    The 800w is aGPS along with the Touch Pro (when aGPS/QuickGPS is working correctly). Both have very similar satellite acquisition times. That's a simple and measurable statistic.

    The problem I've seen reported from multiple people (and this has come up a for the Treo Pro as well) is that when aGPS/QuickGPS isn't working correctly, acquisition times are extended (meaning it's falling back on standard GPS). There is something setup wrong there, and I suspect the issue lies with QuickGPS as that's the differentiating factor here.
  16. #16  
    Quote Originally Posted by Ebag333 View Post
    I saw it on XDA dev's in passing. It wasn't anything I needed, so I just passed by it after reading most of the thread.

    Look in the Touch forums, I think it's under the development/customization forum.
    Thanks. I haven't had any lag. But, if TomTom tends to take over the hardware, anything that'll make it less intrusive on my phone's functioning is well appreciated.
  17. #17  
    Quote Originally Posted by kraski View Post
    Thanks. I haven't had any lag. But, if TomTom tends to take over the hardware, anything that'll make it less intrusive on my phone's functioning is well appreciated.
    Here's the actual link to the thread where the program is posted and discussed.

    It's actually pretty cool, it's configurable for any program, so folks who reported issues with Garmin, iGo, or the other various navigation programs could use it too.

    There's some back and forth over who it worked for and whatnot, but it clearly works in quite a few situations, which means that at least in those situations the GPS lag was caused by lack of CPU resources (most likely the intermediary GPS driver).

    (Of course a lot of the people who complained that it didn't work either had very little lag--like 1/4th a second--or were complaining about something completely unrelated--like acquisition time.)


    And even if you weren't having lag issues with GPS, this could be used with programs (like TomTom) that eat up system resources, to keep the rest of the system moving a bit snappier.
  18. #18  
    Quote Originally Posted by kraski View Post
    Thanks. I haven't had any lag. But, if TomTom tends to take over the hardware, anything that'll make it less intrusive on my phone's functioning is well appreciated.
    No lag for you either? That's great. Are people testing the GPS on the GSM Treo Pro or the new CDMA Treo Pro? There is a big difference in GPS performance between the two.
  19. #19  
    Quote Originally Posted by Ebag333 View Post
    Here's the actual link to the thread where the program is posted and discussed.
    Thanks for the link. I'm not home, right now, to grab it. But I will later tonight. And, yes, I'm more interested in keeping everything else snappy -- maybe even me.
  20. #20  
    Quote Originally Posted by nsxprime View Post
    No lag for you either? That's great. Are people testing the GPS on the GSM Treo Pro or the new CDMA Treo Pro? There is a big difference in GPS performance between the two.
    Good question. Mine's the original GSM version.
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