GPS Works Great - Only when WiFi off - Vibrant Q&A, Help & Troubleshooting

So I'm using Nero V4.1 and was all excited as GPS locks seemed to finally work right. Couple days later I started using WiFi and leaving it on and suddenly my GPS wouldn't lock again. Just turned off WiFi and Presto GPS locks again. I was getting so ready to dump this phone with all the GPS fixes that never worked. I'm just leaving WiFi off for now as really need GPS with Navigation. Maybe the devs can find the conflict with WiFi, for now just leaving it off. Thanks SomBionix for getting us a working GPS.

gmiller777 said:
So I'm using Nero V4.1 and was all excited as GPS locks seemed to finally work right. Couple days later I started using WiFi and leaving it on and suddenly my GPS wouldn't lock again. Just turned off WiFi and Presto GPS locks again. I was getting so ready to dump this phone with all the GPS fixes that never worked. I'm just leaving WiFi off for now as really need GPS with Navigation. Maybe the devs can find the conflict with WiFi, for now just leaving it off. Thanks SomBionix for getting us a working GPS.
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I have the same problem... from my investigations, it's appears to be a hardware problem, not a software issue. I haven't investigated it in depth, but I think there's some interference going on. With the crappy hardware design that is the I9000 when it comes to antenna's and wireless signals, it doesn't really surprise me that both of them can't function properly at the same time.

I never have Wifi on and GPS never works on Nero V4.1, but Axura has always worked for me.

Same here running nero v4.1. Oddly enough, as long as you turn wifi off initially and start your gps app then turn wifi back on, it functions just fine.

I get the same result regardless of wifi on v3.

Where would you go that you need wifi and gps? Do you have wifi in your car? Do you need gps in your house? also im on nero v4 and dont have these problems
:super

How do I flash this gps rom?
Sent from my SGH-T959 using XDA App

hardware issue...
Its likely cause of RF interference as mentioned in the hardware fix found here:
http://forum.xda-developers.com/showthread.php?t=878970
Samsung really dropped the ball with this phone.

Software. Your A-GPS is trying to connect to the provider's server. With Wi-Fi on the server does not know if the phone is using provider's service. Change the server name to supl.google.com in LbsTestMode and the GPS will work for you with Wi-Fi on.

I had no problems with gps in Nero 3, but it is taking at least twice as long to lock on Nero 4. I just flashed the new modem. Let's see if that fixes it.
Sent from my Samsung Vibrant

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[Q] EB01 - My GPS isn't working, it won't lock on at all.

My GPS isn't working, it won't lock on at all. Anybody else experiencing something like this? If so, do you know a fix?
SOLUTION (Worked for me):
AlgorithmX said:
Mine did the same thing after flashing EB01 so I checked the location & security settings and found that both VZW and google location services were turned off. After turning them back on I got a lock in Gps test in less than 10 seconds.
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Well today my gps did drop Its signal for about a minute which seemed weird because there was no obstructions to block my signal
Sent from my SCH-I500 using XDA App
Mine works great! I dont know if it helps buts I did a prl update, *228
Sent from my SCH-I500 using XDA App
hbc.ciccone said:
Mine works great! I dont know if it helps buts I did a prl update, *228
Sent from my SCH-I500 using XDA App
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I tried that, didn't seem to do anything.
Did you try removing the battery? Do that, and leave it out for about 1 minute. Let it reboot and see what happens.
Sent from my SCH-I500 using XDA App
alemondemon said:
My GPS isn't working, it won't lock on at all. Anybody else experiencing something like this? If so, do you know a fix?
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Mine did the same thing after flashing EB01 so I checked the location & security settings and found that both VZW and google location services were turned off. After turning them back on I got a lock in Gps test in less than 10 seconds.
Mine did that today. I rebooted and I was able to get immediate GPS lock after that.
AlgorithmX said:
Mine did the same thing after flashing EB01 so I checked the location & security settings and found that both VZW and google location services were turned off. After turning them back on I got a lock in Gps test in less than 10 seconds.
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Wow i think you are right, i never have vzw location services on but i turned it on and wallah... Ill keep testing it out to make sure.. Oh and the building im testing it in currently might as well be a bomb shelter because its a concrete and steel building, so i would say thats pretty good..
AlgorithmX said:
Mine did the same thing after flashing EB01 so I checked the location & security settings and found that both VZW and google location services were turned off. After turning them back on I got a lock in Gps test in less than 10 seconds.
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That fixed it! Thanks!!
tyler1234567 said:
Wow i think you are right, i never have vzw location services on but i turned it on and wallah... Ill keep testing it out to make sure.. Oh and the building im testing it in currently might as well be a bomb shelter because its a concrete and steel building, so i would say thats pretty good..
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That's what did it for me. It seems stand alone GPS by itself doesn't cut it anymore.
AlgorithmX said:
Mine did the same thing after flashing EB01 so I checked the location & security settings and found that both VZW and google location services were turned off. After turning them back on I got a lock in Gps test in less than 10 seconds.
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Click to collapse
That did the trick for me as well.
I had GPS issues with EB01 too - I narrowed it down to: if I rebooted with GPS turned OFF it would never get a GPS signal if I turned on via the notification bar. If I went into Settings-->Location & Security and checked "standalone GPS services" and accepted the warning GPS then worked great, locked immediately. But if I turned it off and rebooted again the same issue would occur. I tested this with SC 2.1, SC 2.2, and the stock EB01 ROM. Same behavior every time.
It also seemed like if the phone sat overnight (no reboot) and the GPS was off it would then not see any sats until I went into Loc&Sec again and checked the box there, but I didn't do extensive testing on that.
I never keep my GPS on unless I need it, so this was a deal breaker for me, back to DL09 until the next Froyo build comes out.
notoriousB said:
I had GPS issues with EB01 too - I narrowed it down to: if I rebooted with GPS turned OFF it would never get a GPS signal if I turned on via the notification bar. If I went into Settings-->Location & Security and checked "standalone GPS services" and accepted the warning GPS then worked great, locked immediately. But if I turned it off and rebooted again the same issue would occur. I tested this with SC 2.1, SC 2.2, and the stock EB01 ROM. Same behavior every time.
It also seemed like if the phone sat overnight (no reboot) and the GPS was off it would then not see any sats until I went into Loc&Sec again and checked the box there, but I didn't do extensive testing on that.
I never keep my GPS on unless I need it, so this was a deal breaker for me, back to DL09 until the next Froyo build comes out.
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That sounds more like a confusion from the DL09 to EB01. Did you wipe your data?
yes, wiped data, cache, and dalvik cache twice each before installing each ROM I tested. Consistent across all three.
Im seeing a decrease after installing the voodoo kernel for eb01. I turned on all 3 gps providers and rebooted and it was a little better. Im just gonna give it time to work itself out.
notoriousB said:
I had GPS issues with EB01 too - I narrowed it down to: if I rebooted with GPS turned OFF it would never get a GPS signal if I turned on via the notification bar. If I went into Settings-->Location & Security and checked "standalone GPS services" and accepted the warning GPS then worked great, locked immediately. But if I turned it off and rebooted again the same issue would occur. I tested this with SC 2.1, SC 2.2, and the stock EB01 ROM. Same behavior every time.
It also seemed like if the phone sat overnight (no reboot) and the GPS was off it would then not see any sats until I went into Loc&Sec again and checked the box there, but I didn't do extensive testing on that.
I never keep my GPS on unless I need it, so this was a deal breaker for me, back to DL09 until the next Froyo build comes out.
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Thanks for your response. I recently rooted and went to EB01 SC2.2 and have been experiencing GPS issues, and started to try to figure out what makes it glitch so I can have some consistency. Have you found out anything new, or just waiting for next update?
I've noticed that I can only get a gps lock with vzw and goggle location services turned on along with the standalone gps. After rebooting, I have to go into the location settings screen and manually turn on the standalone gps if it was off already (or click it off and then on again). After that my GPS works pretty well.
What I have noticed is now all of a sudden Google Navigation will occasionally say "GPS Signal Lost" while I'm driving which never seemed to happen before prior to DL30/EB01. If I open GPS Status immediately after I hear that, half the time it's still connected to several satellites so I don't really know what the issue is there.
elguapoloco said:
Thanks for your response. I recently rooted and went to EB01 SC2.2 and have been experiencing GPS issues, and started to try to figure out what makes it glitch so I can have some consistency. Have you found out anything new, or just waiting for next update?
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No, I gave up on EB01 until the next formal update/leak is released. Between that GPS issue and the battery life seeming significantly worse in my SHORT trial of EB01 I decided to go back to DL09 and wait.
CrucialBT said:
After rebooting, I have to go into the location settings screen and manually turn on the standalone gps if it was off already (or click it off and then on again). After that my GPS works pretty well.
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Interesting, thanks for confirming that I'm not the only one who has had this same issue. Most people have just dismissed what I've reported without trying it saying "EB01 is the b3st w1nnar why do you turn off your gps that's st00pid".
iviustang50h said:
That's what did it for me. It seems stand alone GPS by itself doesn't cut it anymore.
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Its the unfortunate way AGPS works. You can download GPS status & toolbox from the market. This will (upon startup) connect and download the most recent orbital GPS data providing a fast lock.
Sent from my SCH-I500 using XDA Premium App
Two quick notes:
1) If you are running SuperClean, the VZW location services setting does absolutely nothing. It is only used by Verizon apps (i.e. VZ Navigator). Google Maps is not able to use the information obtained by VZW AGPS. The entire service has been removed from the ROM.
2) The dropdown gps button is virtually worthless right now unless you leave google location services enabled all the time. There are multiple ways to turn on the GPS through the OS code, and the current implementation causes GPS lock to take nearly a minute longer than if you were to go into the Settings menu and turn it on. At some point, someone will probably mod the drop down to emulate the same method as the settings menu.
That being said, from inside my house, with all my AGPS data cleared, on a freshly cleaned and flashed phone, I can get a fix in less than 3 seconds, accurate to 20 meters without having location services turned on, using only standalone GPS data. The trick is to turn it on from the Settings menu, not the dropdown.

wifi connected yet keeps scanning.

Ive searched for threads on this but havent found any answers. Once connected to a strong wifi network, every 5 seconds or so it scans again. This causes downloads to fail bc its looking to obtain ip over and over. Is there a way to make it relax when its connected? I know its meant to keep looking for the best wifi to connect to but even in my house with wifi its kind of annoying i cant download bc its resetting itself. Thanks for any insight...
I use sc2.8 and that seems to have a mod built into it that calms the scanner down, I think. Try flashing that rom.
Sent from my SCH-I500 using XDA App
boland.20 said:
Ive searched for threads on this but havent found any answers. Once connected to a strong wifi network, every 5 seconds or so it scans again. This causes downloads to fail bc its looking to obtain ip over and over. Is there a way to make it relax when its connected? I know its meant to keep looking for the best wifi to connect to but even in my house with wifi its kind of annoying i cant download bc its resetting itself. Thanks for any insight...
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The SuperClean ROM DOES slow the scanning frequency down a bit, however, when you have the wi-fi menu open, it will still scan every 5 seconds. It is not actually reconnecting you every 5 seconds anyways, just scanning for new networks. Maybe your wi-fi just sucks. Oh, and it has been verified, when the wi-fi menu is not up, it is NOT scanning every 5 seconds. GizmoDroid proved that to us.
Are you sure it's connecting? Or is just going thru connecting/disconnecting about every 5 seconds while you are in the WiFi settings screen?
I had the problem above with SC 2.9.1 and I fixed it by flashing EB01 Kernel over EB01 Kernel. Let me say it again I flashed EB01 kernel over EB01 Kernel and it fixed my problem. I did about 10 different installs using different packages to get to SC 2.9 without having to do this 'reflash'. Every time the kernel flash fixed it. So I finally just did the flash and moved on.
I guess i dont notice as much when the wifi settings arent open. When im trying to dl large files though it never seems to make it to the end before it drops connection and fails before reconnecting right away. Wifi signal is great in my house and in fact beyond my house. Im running sc 2.9.1 and nitrocomb, eb16 kernel. Ill watch in the near future how its acting. Thanks for your insight here folks.

CM7 GPS Issues

Hello again. Recently I created a topic dealing with low call volume in CM7 and fortunately that has been fixed with the help of pcpark(numbers?) and myself. Unfortunately, I cannot for the life of me get the GPS to work. It was working in previous build but the latest July 4th build does not seem to want to lock. I am using the official ED04 modem because of the missed calls issues due to EC09 and I previously used ED01 but without result. Google Maps puts me relatively close to my home address and with Wifi it's pretty much exact but the GPS symbol never stops flashing, indicating that it's still locking. Navigation is completely broken, as it says at the bottom "Searching for GPS" but most of the time it never locks or if I get lucky it will lock for the duration that I'm using it but when I try to open it again, it won't lock. GPS Status displays that my phone's GPS is working correctly but it too has the flashing, not locked icon. Is there anyone who has been having similar issues or does anyone know of a fix? This ROM is so close to perfection and GPS is hardly a huge issue but it irritates me because it worked previously.
Try downloading GPS Aids and GPS Tests to see how many satellites you see and how many you lock on. I couldnt get a lock after 30 seconds on my fascinate ran aids and literally went from seeing 5 to 11 and from locking to 1 to 9 in under two seconds
Holy crap it worked!! Thanks a lot
Np, glad it helped.
Thread started by neh4pres might provide some additional tips:
http://forum.xda-developers.com/showthread.php?p=15300206#post15300206
I remember reading something about using GPS Status to "wake up" the GPS and I have always used it but I did not know you could reset the GPS. Thanks for the help!

No GPS :(

Hey Guys I have 27 satellites and my phone can't lock on to any of them.
I am rooted on the stock ROM. Can anyone give me any pointers?
Are you inside a building or house. Gps doesnt always lock when in a building. Could also be that your rooted. Are you using a rom other than stock. Sometimes these roms have issues working with wifi, gps and other hardware.
Sent from my SCH-I545 using Tapatalk 2
I am in a building, but it is weird how it says 27 sats but I can't lock.. seems like software issue. I am on the stock ROM.
Myself and others have had this issue. Try the following: when in the GPS related ap, pull down the notification bar and cycle the GPS off and on. With mine (and others) GPS will lock almost instantly after returning to the ap.
/found in another thread that this appears to be software related. I can confirm this as I had the problem until I uninstalled GPS Test. Check any ap you've installed related to the GPS and see if the error is resolved.
So it turns out mine works great outside my job and doesn't work at all inside my job... I never had that issue on my old phones.. but w.e... This thread can be deleted.
Thanks guys,

GPS Problem

I have a GPS problem / question. I'm on Galaxy Note fre3 Hybrid De[Odex] v2.11 but I don't believe this is a ROM issue. I have certain apps that require location services and GPS to be on, example would be the WWE app or even our SBarometer app. If I turn GPS on and enable location services, the apps do not detect that GPS is on and I have no GPS icon in my status bar. If I use GPS Status it's fine. Any ideas? It's not app settings because on my Mega when I open the same apps the GPS icon comes on immediately and the app works properly.
Have you found a fix for this? I am on stock 4.4.2 with root, and I have been having the same GPS issue for several months now. Whenever I use Waze, it's constantly looking for a GPS signal, and MapMyRun will find it and drop it several times while I run making it impossible to track my runs. One other thing I did notice, is when I'm using Waze, if I turn the screen off, it locks on to the GPS. I can tell it's locked on because the voice commands start giving me directions, but when I turn the screen back on, it looses the GPS signal again. I would really like to get this issue fixed. The only other option will be to take it back to Sprint for an exchange.
pjacobs76 said:
Have you found a fix for this? I am on stock 4.4.2 with root, and I have been having the same GPS issue for several months now. Whenever I use Waze, it's constantly looking for a GPS signal, and MapMyRun will find it and drop it several times while I run making it impossible to track my runs. One other thing I did notice, is when I'm using Waze, if I turn the screen off, it locks on to the GPS. I can tell it's locked on because the voice commands start giving me directions, but when I turn the screen back on, it looses the GPS signal again. I would really like to get this issue fixed. The only other option will be to take it back to Sprint for an exchange.
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I too am having a GPS problem. I'm Stock and not rooted with the most recent Sprint OTA (NK4). I've been suffering with this since NH7 came out and no ROMs, stock or otherwise have fixed my problem. Any recommendations on what I should flash? I'm considering doing an Odin Flash of NC5 just to see if that would help.
I have read through this thread, the first thing I would try is to update your PRL and profile. If GPS works on some apps and not on others I'd be willing to bet there's nothing wrong with the device or a stock rom running on it. I would try and contact customer service for the app and see if others are having the same problems with the apps., and see if there is a fix.
https://play.google.com/store/apps/details?id=com.androidlab.gpsfix I've heard people say this app has helped them with there GPS issues. Hope it helps
http://i1370.photobucket.com/albums/ag261/Droid716/JONNY SIG 2_zpsrfigggpi.jpg

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