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First the usual "appologies" that seem to be "a must" in this forum.
1.) Reason for not posting in the V4 thread is simply because that thread is too large, too full of non-subject replies.
2.) I have read the 2:nd FAQ post, does not even mention the problem with the GPS
3.) I have read the wiki
4.) I have searched the forum (and it does not even find anything because GPS has too few letters)
5.) I have browsed through 50 pages in the V4 thread and did not find an answer (and got tired reading ).
So, my problem:
GPS does not work after I installed the V4 rom. It did work in V3.
I have tried quick GPS, I also started GPS-tool (which did not get a fix either or find any satellites).
The orange blinking LED does not start when using GPS tool (it starts in miomap however).
And googlemaps does not get a fix (or find any satellites) either.
My radio is 12.32 , if that has anything to do with GPS?! I have sim-unlocked the phone. I live in Sweden.
I read a few posts where people seem to have a problem with their GPS after changing radio, even when they revert back to their original radio. During the sim-unlocking process the radio is temporarily changed, maybe that is the source of the problem?
solwretep said:
First the usual "appologies" that seem to be "a must" in this forum.
1.) Reason for not posting in the V4 thread is simply because that thread is too large, too full of non-subject replies.
2.) I have read the 2:nd FAQ post, does not even mention the problem with the GPS
3.) I have read the wiki
4.) I have searched the forum (and it does not even find anything because GPS has too few letters)
5.) I have browsed through 50 pages in the V4 thread and did not find an answer (and got tired reading ).
So, my problem:
GPS does not work after I installed the V4 rom. It did work in V3.
I have tried quick GPS, I also started GPS-tool (which did not get a fix either or find any satellites).
The orange blinking LED does not start when using GPS tool (it starts in miomap however).
And googlemaps does not get a fix (or find any satellites) either.
My radio is 12.32 , if that has anything to do with GPS?! I have sim-unlocked the phone. I live in Sweden.
I read a few posts where people seem to have a problem with their GPS after changing radio, even when they revert back to their original radio. During the sim-unlocking process the radio is temporarily changed, maybe that is the source of the problem?
Click to expand...
Click to collapse
What is the deal with everyone starting new threads instead of posting in the thread where it needs to be.
MY gps works just fine. 1.27.12.11 radio with dutty v4 rom.
solwretep said:
First the usual "appologies" that seem to be "a must" in this forum.
Click to expand...
Click to collapse
I like it.. you apologised for not following the rules.. then didnt follow them. excellent.
The Dutty V4 thread is the one most likely to be of use.. I know its full of people not posting in the right place.. but adding to that isn't going to help.
As to the problem.. People keep reporting GPS issues with the Radio ROM's... Now It may be me but the radio rom shouldnt have anything to do with the GPS... unless im mistaken its a seperate chip and will have a seperate flash (which you probably cant modify)
What COM port are you trying to use? What are your External GPS settings set too in the control panel?
I got no problems with new threads on new issues. 150+ pages is just useless.
I haven't seen the GPS problem you talk about. Might try re-flashing your radio version, or a different version.
No neither do I.. But this isn't a new issue..
Loads of people are saying they have GPS issues after flashing..
At least a few of them I've seen are actually caused by people not understanding what they are on about (A few of the people seem to be confused by the fact the GPS may be on a different COM port after the flash for example)
the others all seem to follow the logic that changing the radio may help.. so trying that would be a good place to start (flashing back to the radio the device e shipped with for example and seeing if the GPS now works int he new Os with the old radio?)
I've never had a GPS problem.. But have seen all these fixes so many times whilst reading other threads I can regurgitate them, and thats without even searching for this issue.
solwretep said:
First the usual "appologies" that seem to be "a must" in this forum.
GPS does not work after I installed the V4 rom. It did work in V3.
I have tried quick GPS, I also started GPS-tool (which did not get a fix either or find any satellites).[/B]
Click to expand...
Click to collapse
start gps test
program files\chartcross\gpstest\bin\gpstest
this works for me
"Duttys DualTouch v4 RTM Release [ FAQ added in Post 2]" thread on 158 page
Go through the setup again.... If need be try a hard reset then Run GPSTest
Ensure you are using a radio compatible with Dutty's ROM. Try one or all of
these first, then report back what you find if it doesn't come back.
You shouldn't have to duck when you poke your head into the forum. Just be thankful it's not a contact sport yet. Just because you're using one ROM or another avoid attributing the problems/issues with that persons ROM. There are so many things that can create problems and user error is the biggest culpret.
Who can blame you for not putting this under the ROM release thread? It's too broad, likely not applicable, and everyone and his uncle has posted something there.
Cheers.
Ok thanks for the answers. Somehow the GPS just started working again, but I will never know why I started google maps, mio maps, tomtom a few times, and suddenly after 2 days the gps started working I was just about changing rom and radio, but now it seems as if I will stick to V4 a couple of days
thanks!
this version works ok with nearly all apps and cooked apps the only problem is the touchflo, the touch flo works but its not 100%
i don't have gps icon in the status bar, and gps can't get any locking at all. it worked once before i flashed a new rom a few days ago, now it just doesn't seem to work anymore. is the gps module broken? i tried reflashing the radios and different roms, nothing worked.
[email protected] said:
i don't have gps icon in the status bar, and gps can't get any locking at all. it worked once before i flashed a new rom a few days ago, now it just doesn't seem to work anymore. is the gps module broken? i tried reflashing the radios and different roms, nothing worked.
Click to expand...
Click to collapse
Have you tried following the instructions here? --> http://forum.xda-developers.com/showpost.php?p=12437647&postcount=5
kirk123 said:
Have you tried following the instructions here? --> http://forum.xda-developers.com/showpost.php?p=12437647&postcount=5
Click to expand...
Click to collapse
strange, i followed your instruction got into the bootloader, but it did not recognize any PC10IMG.zip that's on the sd card....
[email protected] said:
strange, i followed your instruction got into the bootloader, but it did not recognize any PC10IMG.zip that's on the sd card....
Click to expand...
Click to collapse
nevermind 10chars
Edit: replied in wrong thread.
Sent from the moon using XDA App
Worked for others. Not sure why it wouldn't work for you. Try again. Downloaded file might be corrupt. Download the file again.
Sent from the moon using XDA App
I had something similar to you but I did see the flashing GPS icon, but it just wouldn't lock. Like in GPS test app it would not see any satellites. It didn't matter what ROM i was on, or even if I tried to flash a backup where the gps worked, it wouldn't change anything. I tried the before mentioned re flashing the radio and it didn't find it on my sd just like you, so what I did was redid step 5 in the hack kit. This essentially does the same thing that you were trying to do with the PCIMG.zip file. Give it a shot it should be easy if you rooted with the hack kit, just plug your phone in with debugging enabled, set as charge only, change the directory (cd) to wherever you saved the hack kit, and then run the sh hackerize-ace.sh setup-radio, then run the sh hackerize-ace install-radio(for me because I was on a mac I had to use the sh hackerize-ace.sh install radio), then follow the instructions in HBOOT. It worked for me when nothing else would.
laxwillsch said:
I had something similar to you but I did see the flashing GPS icon, but it just wouldn't lock. Like in GPS test app it would not see any satellites. It didn't matter what ROM i was on, or even if I tried to flash a backup where the gps worked, it wouldn't change anything. I tried the before mentioned re flashing the radio and it didn't find it on my sd just like you, so what I did was redid step 5 in the hack kit. This essentially does the same thing that you were trying to do with the PCIMG.zip file. Give it a shot it should be easy if you rooted with the hack kit, just plug your phone in with debugging enabled, set as charge only, change the directory (cd) to wherever you saved the hack kit, and then run the sh hackerize-ace.sh setup-radio, then run the sh hackerize-ace install-radio(for me because I was on a mac I had to use the sh hackerize-ace.sh install radio), then follow the instructions in HBOOT. It worked for me when nothing else would.
Click to expand...
Click to collapse
I have been having this exact problem, no matter what ROM I use GPS will not see any satellites. I have tried everything, including redoing step 5 of the hack kit. Is going back to factory settings my last resort? I would really rather not have to do that, but I will if it's the only thing that will fix GPS.
chuckwalla said:
I have been having this exact problem, no matter what ROM I use GPS will not see any satellites. I have tried everything, including redoing step 5 of the hack kit. Is going back to factory settings my last resort? I would really rather not have to do that, but I will if it's the only thing that will fix GPS.
Click to expand...
Click to collapse
I thought my gps was back to normal but today on the road it was hard to get a lock again. It would see like 3-5 satellites, but wouldn't obtain the lock. I don't know what to do now, after re flashing the radio from the hack kit, I have a feeling one of the roms is breaking the gps for some of us. My guess is that it is changing something in the gps module which cannot be fixed easily. Will be looking forward to a real fix for this as gps is something I really need.
Sent from my Desire HD using XDA App
laxwillsch said:
I thought my gps was back to normal but today on the road it was hard to get a lock again. It would see like 3-5 satellites, but wouldn't obtain the lock. I don't know what to do now, after re flashing the radio from the hack kit, I have a feeling one of the roms is breaking the gps for some of us. My guess is that it is changing something in the gps module which cannot be fixed easily. Will be looking forward to a real fix for this as gps is something I really need.
Sent from my Desire HD using XDA App
Click to expand...
Click to collapse
That's probably what's happening, this seems to be happening others other than me, hopefully the problem will be solved at some point.
chuckwalla said:
That's probably what's happening, this seems to be happening others other than me, hopefully the problem will be solved at some point.
Click to expand...
Click to collapse
Update: after a few days my gps seems back to normal, I can even get a lock to 30m inside. Hopefully it stays this way. The best answer for me is redoing step 5 of the hack kit. And for me it was getting a weak signal at first but after a few days it seems to have stabilized.
Sent from my Desire HD using XDA App
OK, so I've dug around the forums and have yet to really find anyone who had a similar issue and wasn't able to fix it with either FasterFix or GPSStatus so thought I'd start a new thread. If anyone knows this answer and knows it's in another thread then let me know and I'll shut this one down...
Anyways, the issue in a nutshell is that Maps refuses to work without "Wireless Networks" being checked (it throws up an error that tells me to turn on My Locations or to turn on either "Wireless Networks" or "GPS satellites" even though GPS sats is checked in the settings) and even then the accuracy is horrible (on tower-based, which is more or less to be expected since it's a triangulation, I believe), Navigation/Locations will both get a location but it appears to be "Wireless Network" based, GPSStatus shows a max of only 3/3 sats even outside on a clear day but no other app sees those even those 3 sats. I basically think my GPS chip is locked up. (Is that even possible?)
The GPS issues started one night on CoreDroid's V5.0 after working for quite some time on CD's various builds, including working on 5.0, so I flashed up to 5.1 and still no-go. Wiped everything, reflashed 5.1 and still nothing. Moved over to RCMixHD 5.9 and it still acts up. It used to be that I could uncheck "Wireless Networks" and it would just bounce off of the GPS sats but now nothing seems to see the chip. I've wiped everything, reflashed numerous times, flashed a new radio (the latest Mar leaked GB radio), gone inside, outside, around the house, around the town, etc etc etc, cleared the Maps cache, uninstalled/reinstalled Maps, reinstalled Locations several times, reset the GPS state with GPS Status, redownloaded the GPS data w/ GPS Status, changed out the gps.spade.so file in CoreDroid 5.0/1 with one from the Inspire Dev Forum (I think, may have been General) that modded files based off of FasterFix files that were supposed to fix the GPS if FasterFix doesnt (the files worked for a whole one test...then everything quit working right again) and I've reset the NTP to North America's server via FasterFix and STILL nothing. I'm getting rather frustrated at this point and any help would be appreciated. Thanks guys!
How about flashing back to stock Rom?
Sent from my calculator
What would the advantage be? I mean I've already flashed different ROMs and gotten the same issue so part of me doesn't care to flash another couple of times but another part of me wonders why it'd help any since it's just going to be overwritten when I flash back to RC or any other custom. Will flashing to stock somehow reset the GPS. I know flashing to stock is generally one of the first suggestions but I've always wondered how it actually helps. Guess I'm off to hunt down the stock on my computer while I wonder lol...thanks
Did you use RUU to get back to stock Rom and radio? RUU does more than just flash the Rom. It flashes the radio to stock. Only reason I'm saying this is cause someone else had Gps issues and when they went to stock unrooted, everything worked as it should.
Sent from my calculator
Do a forum search for inspire RUU. Should come up.
Sent from my calculator
Awesome, thanks. I was unaware that the Inspire had an RUU. Well, most RUU's I've run across have been packaged into a program like ODIN but I think I can do the RUU manually via ADB. Hopefully they have a program out, though. Think all my stock stuff has been done via ADB and the Hack Kit so I'll dig around for an all-in-one program. Thanks!
Sadness...no such luck even on RUU stock.
Just curious, what method did you use to do this?
Is this the same one you used?
http://www.filefactory.com/file/b50...60.19_26.06.04.06_M_release_166557_signed.exe
Sent from my calculator
I have been having similar GPS issues on my stock Inspire. After a long HTC customer service call, I was advised to do a factory reset on the phone. Voila, the problem appears to be solved. I now get 8 or 9 satellites and lock in about 30 seconds. Also, after this reset, my battery life is much better. So, I am not sure what bug I eliminated in the factory reset, but I accomplished something. What would affect both battery and GPS? I know this is not the same as for a rooted phone, but perhaps there is some connection. By the way, just what SNR do users with solid GPS performance get on GPS Test? I never get SNR over 25 on any satellite, whether indoors or out...
HtcOmega,
I helped another person with an inspire, so maybe it might work for you too, Try the link in my sig and see if replacing the gps.conf with one of mine may help you. It has been very successful so far, it might help with your dilema as well. And if your going to ask whats different about mine then fasterfix app, the answer is alot.
Let me know.
AngelDeath said:
HtcOmega,
I helped another person with an inspire, so maybe it might work for you too, Try the link in my sig and see if replacing the gps.conf with one of mine may help you. It has been very successful so far, it might help with your dilema as well. And if your going to ask whats different about mine then fasterfix app, the answer is alot.
Let me know.
Click to expand...
Click to collapse
I was having the same issue as HtcOmega and decided check out your link. I must say that my GPS is working as it should now. Takes at most 30 seconds for a lock without the case on. I flashed the north america zip instead of choosing the north east version. Is there any reason why you wanted people to choose their specific region?
Primarily the reason is I broke up the USA into 6 regions and made a script for 62+ individual countries because I am not using the generic ntp servers from the pool, these are ntp servers specifically for that location, and by narrowing down the location and not using a general ntp it should make lock times faster. If you read the thread for the most part quick reading you will see that the NA script is made primarily for people who travel to many places frequently and do not want to keep changing scripts, as well as people in the common wealth countries would use the NA script.
I am currently testing out 1.2 with a handful of beta testers to see if the new script can be a little more consistent, there are new commands in the new script, which is phase one at least for the HD2 since the HD2 is a prt and lacks the support for true agps.
The GPS will find and get a fix on anywhere from 5 - 9 satellites in 3 or 4 seconds but will not get a lock for anywhere from 4 to 20 minutes or sometimes I give up after about 45 minutes. I have read these forums until I'm half blind and have replaced the gps.conf file in /system/etc about three times with improvements/modifications suggested by others. And still the GPS will not get a lock most of the time. On a couple of occasions it locked on in a mater of a few seconds, but that's rare.
Could this be a bug or is there some setting I'm not aware of? A couple of threads have said the com port needs to have the right address, but I cannot find any com port references on my phone using root explorer. I did a google search and could not find any GPS/com port settings.
stev32k said:
The GPS will find and get a fix on anywhere from 5 - 9 satellites in 3 or 4 seconds but will not get a lock for anywhere from 4 to 20 minutes or sometimes I give up after about 45 minutes. I have read these forums until I'm half blind and have replaced the gps.conf file in /system/etc about three times with improvements/modifications suggested by others. And still the GPS will not get a lock most of the time. On a couple of occasions it locked on in a mater of a few seconds, but that's rare.
Could this be a bug or is there some setting I'm not aware of? A couple of threads have said the com port needs to have the right address, but I cannot find any com port references on my phone using root explorer. I did a google search and could not find any GPS/com port settings.
Click to expand...
Click to collapse
It all depends on what rom, kernel, radio, ril you are running. Sometimes it's as simple as matching the radio to the correct ril file. Or other times, it can be a kernel issue.
So basically, for now are you rooted? List what rom you are using, current radio and ril file. Also list which kernel you are using.
I have also recently learned as well that the superuser has a factor as well if you are rooted.
I'm using the ARHD 3.6.2 XE ROM and the recommended radio which is 10.58.9035.00P_10.15.9035.02_2. The kernel is 2.6.35.14-sensation-faux123-v0.2.1 (all from Mike1986). I did some testing a few days ago and found that superuser Ver. 3.05 did indeed interfere with the GPS. SU has been updated to V 3.06 and I haven't had any issues with FC or permissions since, but I have not tried testing to see if it still interferes with GPS.
stev32k said:
I'm using the ARHD 3.6.2 XE ROM and the recommended radio which is 10.58.9035.00P_10.15.9035.02_2. The kernel is 2.6.35.14-sensation-faux123-v0.2.1 (all from Mike1986). I did some testing a few days ago and found that superuser Ver. 3.05 did indeed interfere with the GPS. SU has been updated to V 3.06 and I haven't had any issues with FC or permissions since, but I have not tried testing to see if it still interferes with GPS.
Click to expand...
Click to collapse
LOL I thought your nick seemed familiar. I remember you testing out that SU issue.
First off, have you tried different kernels at this point? Go back to a htc kernel and try the gps, then if you get the same results try different gps.conf files.
I have been testing out different kernels on an agps beta file test. Try the fix, make sure on the /system/etc, there is no suplroot file in there and push the gps.conf. I'll attach a good gps.conf for you to push over from this thread http://forum.xda-developers.com/showthread.php?t=1262652.
Use the "generic" one first. You can either push the file in the zip or flash it in recovery.
Here is an example of the frustration. I took this screenshot just a few minutes ago outside under a clear, cloudless sky. The GPS found and fixed on 8 satellites in about 4 seconds. There was no lock after 15 minutes so I quit and came inside. With that many satellites and that pattern I should have had a good lock as soon as they came up.
kpjimmy said:
LOL I thought your nick seemed familiar. I remember you testing out that SU issue.
First off, have you tried different kernels at this point? Go back to a htc kernel and try the gps, then if you get the same results try different gps.conf files.
I have been testing out different kernels on an agps beta file test. Try the fix, make sure on the /system/etc, there is no suplroot file in there and push the gps.conf. I'll attach a good gps.conf for you to push over from this thread http://forum.xda-developers.com/showthread.php?t=1262652.
Use the "generic" one first. You can either push the file in the zip or flash it in recovery.
Click to expand...
Click to collapse
Actually that is the gps.conf file I am using now. I installed it a few days ago. There is no doubt it helps find and fix the satellites in quick time and is a vast improvement over over the stock, but I still have the lock-on problem.
Any suggestions on which kernel to try?
P.S. Told you I had been reading these forums
Which GPS program is that?
~T.J.
stev32k said:
Actually that is the gps.conf file I am using now. I installed it a few days ago. There is no doubt it helps find and fix the satellites in quick time and is a vast improvement over over the stock, but I still have the lock-on problem.
Any suggestions on which kernel to try?
P.S. Told you I had been reading these forums
Click to expand...
Click to collapse
I would say try the stock htc kernel first but if you want to just jump into another kernel try the bricked ones. I personally didn't have great luck with the faux kernels at all. Shame because it was really good. Anyways, here's the link to the bricked. Also make sure you don't have that suplrootcert in the system/etc folder either.
http://forum.xda-developers.com/showthread.php?t=1269247
02CWRX said:
Which GPS program is that?
~T.J.
Click to expand...
Click to collapse
gps status free from the market
Hmm -- SuplRootCert is in the /system/etc folder. What does that mean and where should it be?
stev32k said:
Hmm -- SuplRootCert is in the /system/etc folder. What does that mean and where should it be?
Click to expand...
Click to collapse
The suplcert root is not required. In my beta testing, I tried with and without and in my testing, I ran it without it. You can just move it to your sd card for back up if you want to revert back to it.
But I never use it and it is optional. It's supposed to connect to the servers quicker, but it never did in my testing.
Wow, this is weird. I installed the bricked kernel in your link and guess what - the GPS came right up. The bad news is WiFI did not. I looked at settings -> wireless & networks and the first thing on the list is Airplane mode and it is flashing on and off. I can get wifi to work for about 30 seconds then airplane mode cuts it off. Ever seen anything like this? That is really strange.
Just found out your link is for a CM7 ROM. I'll try something else.
stev32k said:
Just found out your link is for a CM7 ROM. I'll try something else.
Click to expand...
Click to collapse
Ack sorry about that. I am recovering from a cold and I took drugs that got me out of it lol....
Well at least you know now that the kernel can be the cause of your gps probs. You just have to check which kernel combo works for your setup.
Try here
http://forum.xda-developers.com/showthread.php?p=16419842#post16419842
stev32k said:
The GPS will find and get a fix on anywhere from 5 - 9 satellites in 3 or 4 seconds but will not get a lock for anywhere from 4 to 20 minutes or sometimes I give up after about 45 minutes. I have read these forums until I'm half blind and have replaced the gps.conf file in /system/etc about three times with improvements/modifications suggested by others. And still the GPS will not get a lock most of the time. On a couple of occasions it locked on in a mater of a few seconds, but that's rare.
Could this be a bug or is there some setting I'm not aware of? A couple of threads have said the com port needs to have the right address, but I cannot find any com port references on my phone using root explorer. I did a google search and could not find any GPS/com port settings.
Click to expand...
Click to collapse
Everytime I flash a new ROM 9/10 times my GPS won't lock the first time I use it. MY FIX: I go to settings>applications>maps> and clear cache, then reboot. When I open navigation it locks in less than 10 seconds 100% time. Try it before a new kernel or radio, it's easy and almost always effective.
OK after doing some research and testing on over 10 devices I have came up with this MOD , that has been working for me for 2 days now. This should work on most devices. We all no Samsungs GPS hardware is not the greatest. Some with the S3 have no issues some where in the same boat as me. For myself I could never get a lock in navigation, if I could it would take 10 min up to 30 . If I ever got a lock ,it dropped signal frequently or was inaccurate, so much that it was no of use. Now on maps it would eventually show my position but it would be off , for example, show me on the next street or on the other side of the highway. So If you find yourself in this situation feel free to give it a try.
★★★★★★★★★★★★★★★★★★
You need to be rooted to be able to grant R/W capabilities. To be safe , always make a nandroid backup and back up the original file you are replacing. My self or XDA are not responsible for any malfunction to your device or anything else that may occur, while hacking your phone.
★★★★★★★★★★★★★★★★★★
1) Download new gps.conf file>>>
http://db.tt/5xvFneRt
2) Replace it in /ect . Rename the original one from .conf to .bak. using a file explorer with R/W enabled , so yes you have to be rooted!
3) Download GPS toolbox https://play.google.com/store/apps/details?id=com.eclipsim.gpsstatus2
4) Reboot.
5) Enable standalone GPS and Google services NOT Verizon services.
6) Open GPS status select options/tools/reset . Then options/ tools/download
7) Reboot
8) Open GPS status and wait for lock . Mine took 5 min a friends took 3. Then open up navigation .
9) Profit
★★NOTES★★
Always enable standalone GPS and Google location services ,FIRST! Then open up GPS toolbox to get a lock. The first time you do this it might take up to 10 to 15 min based on your location. After getting a lock threw the app, then open up navigation and you should be good to go. After using this yesterday I'm locking on in under 5 sec with 9-15 sat locked on. If you have bit used your GPS in a while, open app and reset and download again , then reboot. Then wait for lock threw app and your back on track.
Hope this helps a few and I will be updating this when I finish implementing other things.
If this helped you hit the thanks button
DirtyDroidX
Sent from my SCH-I535 or XT913
Maybe you can use this post http://forum.xda-developers.com/showthread.php?t=1447598 to help with GPS. I used it with much success with my Droid Incredible 2. Probably a bunch of settings can be pulled in from that gps.conf file to beef up our stock gps.conf.
mastamoon said:
Maybe you can use this post http://forum.xda-developers.com/showthread.php?t=1447598 to help with GPS. I used it with much success with my Droid Incredible 2. Probably a bunch of settings can be pulled in from that gps.conf file to beef up our stock gps.conf.
Click to expand...
Click to collapse
Yea I've tried that. It worked for my tablet but not my S3 . It always put me in another state . I have a ton of fixes from numerous threads that I'm currently trying to implement a auto fix script.
Thanks for the link!
Sent from my SCH-I535 or XT913
The link is no longer there.
Sent from my SCH-I535 using xda premium
just saying, but shouldn't you go get your phone replaced, have verizon check it, if you have gps issues? many GS3 owners including me have zero issues with GPS. I did have GPS issues with 3rd party roms, synergy and clean both. once back to stock rooted, no problem.
The gps on the S3 is the quickest and most reliable i've had the pleasure of using, out of the box. I can't express enough how impressed I was by this, because i've become accustomed to having to fix it to make it work properly, and have done so for a variety of androids for my random co-workers I meet on the road.
That said, if people are having issues - and lets be real here, once you start flashing stuff anything can happen - it's good to see people diving in to work on the problems.
To that end, OP (or anyone else interested), here is a thread with a very detailed explanation of what I did to fix gps for another device:
http://forum.xda-developers.com/showthread.php?p=16822068
...which may be of some value to read through in your research for this issue.
Please forgive the dead links, I was away from dev for a while and didn't realize goo went down and lost what I had there. I am working with another forum member to get my works hosted again.
Meantime, the text of the gps.conf file is in code blocks in the op of the thread I linked, so in this particular case the dead links shouldn't be a problem.
Hope this helps a bit.
I'm beginning to think it has something to do with Google maps. Downloaded map quest and it locks on quickly.
Sent from my SCH-I535 using xda premium