[Q] What causes the GPS problem? - Vibrant Q&A, Help & Troubleshooting

no worries. this is not another "my gps doesn't work thread". it's a question thread.
My gps finally started working with Auxura 2.1 and JL1 radio.
My question is why. what causes all the GPS problem? why when I change to another rom (Nero, for example) the GPS stops working. if it's working for me - it means that the problem is 100% software and not hardware. so what exactly causes it and why fixing it is so complicated and take so much effort and time (for example the lousy gps restore application from samsung)
thanks

Related

GPS in 2.1, why isnt it working (and are there roms that do)?

I sincerely love the 2.1, and i really appreciate the work and effort the dev´s are putting into the rom´s that are available free of charge.
But i cant find a rom that has working GPS on/off feature, everyone i tryed so far requires phone reboot..
so i wonder, why is it so hard to enable GPS without reboot?
and are there rom´s that have working GPS?
i tryed to raise the issue in some of the rom specific forums, but it appears to be a less prioritized bug..
For me I found that re-flashing the latest radio rom after installing 2.1 got GPS working as it should do.
apart from what klutsh said (which i can't reproduce btw), there is only one kernel available that works with the 2.1 leaks, and that kernel has a bad gps implementation.
androbin beta r2
with androbin beta r2 i use gps and work very good, without problem.
fix is quick, stability ok.
last week i try it with ndrive, cca 160km trip, without problem.
Yip I can confirm Switch on your gps, and wifi (just for the hell of it, not too sure about this part) reboot into recovery, flash the latest radio, reboot and all should be well.
I can confirm the opposite; switching on GPS, wifi and bluetooth, flashed new radio and booted up the phone.
turned off gps and rebooted, then enabled gps again (without restart).
still no gps reception.
using villain3.4 atm, but this has been persistant thruout all tested 2.1 roms.
None of the Villain Roms worked ever with GPS for me, but BeHero+ V1.2 is the first 2.1 ROM where it always does, and it even to a very fast GPS fix!
im trying androbin atm, havent yet gone outside (still downloading my apps over wifi), so i cant say if it works or not.
but i really think the devs should pool their resources/projects instead of releasing 15+ similar roms
I've never had a problem with GPS - used Navigator to get me home with voice navigation the other day (i knew the route but still) it was awesome
I would also like to know the definitive answer. All ROM's released are with working hardware lists including of GPS and no mention of prossibility of bugs but going through the replies, it seems like mixed reactions.
1) ON/OFF reboot bug?
2) Sleep mode bug with any Radio?
3) As quick fix as in 1.5?
4) Not inconsistent ie fixed once but struggle next time?
Kendong2's reply seems to suggest NO. Is it ?

GPS stopped working, help?

Hi, i've been using GPS a lot before but now it just won't work!
I'm running 2.1 eternity rom and my software is Motonav. It previously worked fine on this exact rom.
The biggest problem is that it says that GPS is activated in settings (location & security --> use gps satelites) BUT there is NO GPS ICON. You know, the one on the top where the clock is, and you see a little satelite, well i don't have it. And the consequence of that is that i always get "Looking for GPS signal" in Motonav which just stays like that for a long long time and never changes
What are my options? I've customized this rom to my needs and i wouldn't want to change it, but of course i will if i have to. I just hope it's not a hardware fault.
Any ideas?
I had the same problem, was running FreeX10 beta 2 and the GPS just stopped. I restored to my SE 2.1 through recovery and still nothing.
I was thinking I would have to return the phone so I flashed the original SE 2.1, then the GPS started working. I rooted, installed xrecovery and restored to FreeX!0 and Voila, GPS is working again.
Hope this helps, it worked for me.
well that sucks but at least i now it's still there, and come to think of it...i did use the HTC Sense rom from jerpelea so maybe that had something to do with it
thank you
anyone have any other ideas?
I didn't think about it, but I did try J's Sense Rom around the time my GPS stopped, might have something to do with it.

[Q] Question about GPS

Question, if i change my modem or kernel does it affect my gps? I swap them around every now and then and sometimes my gps is awesome and sometimes horrible. I know ALL the problems with gps but wondering where the gps files are at. Thanks!!!

GPS issues

Hello guys.
Just bought SGS2 with 2.3.5 ROM, and GPS was working Excellent(!) (Aroud 15-20m accuracy). And It was moving while I driving a car.
Yesterday flashed into Slim rom, now GPS is working like my old Captivate phone - it is not working Around 1600m accuracy and it is not moving while i drive a car. (The rom is great, except GPS).
I forgot to do screenshot of my previous ROM's modem name. Now I don't know how to fix it I use GPS often.
Tried FasterFix and FasterGps programs, didn't help.
Does modem affect GPS accuracy?
Please help me. Thank you.
Check GPS fix and Faster Fix from market..
http://forum.xda-developers.com/showthread.php?t=1447599
Change modem
Change rom
jje
It fixed my GPS accuracy from 1600m to 40m, but navigation is still poor. While I move, profile picture moves first and arrow moves after some time
Didn't try to flash another modem yet.
Try the patch in my sig (make sure you read the first page of the thread before you do; take particular note that you'll need to flash every time you flash a new rom).
Try GPS aids from the market. For me its the best tool to fix GPS problems.

[Q] Loosing GPS connection

Hello everyone!
This is my first post and I apologise for my english
I have very big problem with GPS connect. I was trying probably everything and I haven't idea how to fix it.
To the point: when I'm staying in one place and not moving, GPS fixing in few seconds. But few minutes later (1-2) or when I move few meters, HOX+ losing connection with sateliltes and not want connect once again.
I was installed GPS Test and is seeing some satellites, but not want to fix or connect is losing in few minutes.
I was installed: GPS Test, GPS Fix, Faster Fix and nothing. I was installed Venom ViperX+, Revolution HD and still the same. I tried this trick ( YouTube v=NfH48nbCFE4 ) with GPS antenna but isn't better...
My HOX+:
Rom: Venom ViperX+ 2.0.3 (on 2.01 and 2.0.2 was the same problem)
Android 4.2.2, Kernel 3.1.10-g7f360be, Hboot 1.72, Radio 3.1204.171.33
Best regards
piotrekKSC said:
Hello everyone!
This is my first post and I apologise for my english
I have very big problem with GPS connect. I was trying probably everything and I haven't idea how to fix it.
To the point: when I'm staying in one place and not moving, GPS fixing in few seconds. But few minutes later (1-2) or when I move few meters, HOX+ losing connection with sateliltes and not want connect once again.
I was installed GPS Test and is seeing some satellites, but not want to fix or connect is losing in few minutes.
I was installed: GPS Test, GPS Fix, Faster Fix and nothing. I was installed Venom ViperX+, Revolution HD and still the same. I tried this trick ( YouTube v=NfH48nbCFE4 ) with GPS antenna but isn't better...
My HOX+:
Rom: Venom ViperX+ 2.0.3 (on 2.01 and 2.0.2 was the same problem)
Android 4.2.2, Kernel 3.1.10-g7f360be, Hboot 1.72, Radio 3.1204.171.33
Best regards
Click to expand...
Click to collapse
I dunno but try changing kernel, i use elite kernel... i had the same rom but changed it due to lag d)
Which apps that you use have problem with GPS connection?
I remember I used a speedometer tool on my HOX+. After turning on, I waited few minutes for gps signal. It stayed on "waiting for gps fix". But when I opened Endomondo, this fix came immediately.
Maybe it really depends on the app that uses GPS.
/\/\ said:
Which apps that you use have problem with GPS connection?
I remember I used a speedometer tool on my HOX+. After turning on, I waited few minutes for gps signal. It stayed on "waiting for gps fix". But when I opened Endomondo, this fix came immediately.
Maybe it really depends on the app that uses GPS.
Click to expand...
Click to collapse
I have problem on any app - Google Maps, Google Navigation, Sygic, GPS Test, GPS Fix, Real Time GPS Tracker and few others.
Now I'm making backup's and I will try change kernel...
EDIT:
I flashed Elite Kernel and still the same
Tommorow I will try to install another ROM, but I slowly losing hope...
It's possible that some app "blocking" or something wrong doing with connection?
Edit 2:
OK. I installed Revolution HD and was the same. Flash kernel to Elite and still nothing better.
I returned to ViperX+ with "standard" kernel, I opened phone and "improved" GPS antenna and.... is better! More satellites, faster fix, better signal, but still sometimes losing connection for few seconds (and connecting again which earlier was impossible)...

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