Cm13 GPS problems - Galaxy S II Q&A, Help & Troubleshooting

GPS is acting very very weird on cm13 nightly, first it doesent see where i am then displays my location 500m from the actual location, i saw a fix but not for i9100, anyone have a fix?

If you can go back to Google Play Services 9.0.83 or earlier you should get your gps back. I assume you're using High Accuracy or Device and not Battery saver location mode. As using Battery saver you might just be getting the cell phone tower location, which is why you are getting a 500m location fix. The same is true in High Accuracy mode if gps is not picking up satellites.
Try Gps Test from the play store to see if your phone is picking up satellites

I've encountered another problem now,when i am trying to install cm13, it thinks that my device name is . and gives me error 7

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[Q] Good GPS but bad location in Maps

Had GPS issues but found it was "first find" issue so got plenty of sats and good location and lock after 10 mmin wait. Done with no WiFi, outside. Also done within range of Wifi.
My issue is that when I bring it inside and loose the GPS as expected indoors it goes from my current location on Maps to some where in Illinois 2000 miles away. Thought it may be a Wifi location issue but other devices I have that locate by WiFi show correct location. Tried clearing cache, cold start, rebooting, reloading Maps (although not sure if it is a true reload as it does not disappear after selecting uninstall but does ask to install) same issue. Search could not find similar problem.
This issue then causes any app that uses location like weather to give the data for somewhere else.
Seems like it should remember where it was or at least not go immediately some where else. Should it not locate by Wifi too? I'm wondering why it goes to this location too. Was this a returned unit?
Thanks

Battery Drain Solution!

For those that have had issues with battery drain like I did, I may have finally found the solution.
After much research and reading many threads I found that the culprit was google play services. Specifically it was Google (I believe on Now) always trying to figure out location.
It always does a quick wifi check to try and figure out what's what. However due to a bug that has been in the coding since launch of KitKat (hurry up and fix it google) it fails and will just continue to try and try and try.
Solutions I found were to turn off location access on phone or edit Google Play Services Permission, specifically disable stay awake permission.
Turning off location, google now access to location, or both resulted in temporary fixes and I believe google still tried to figure it's location via wifi despite being told not to.
Long story short...if having just wifi location doesn't work.. and having location off doesn't work...
Then why not switch mode to high accuracy in which GPS is left on!
Google uses GPS for location, it works in one try, everyone is happy!
Long story short, if you have KitKat and are experiencing high battery drain with you phone constantly awake when off.
Switch your location settings to High Accuracy. Phone is smart enough to not use GPS when not needed.
It worked for me and it might work for you too!:good:
(Hopefully this fixes it for good)
Kolma said:
For those that have had issues with battery drain like I did, I may have finally found the solution.
After much research and reading many threads I found that the culprit was google play services. Specifically it was Google (I believe on Now) always trying to figure out location.
It always does a quick wifi check to try and figure out what's what. However due to a bug that has been in the coding since launch of KitKat (hurry up and fix it google) it fails and will just continue to try and try and try.
Solutions I found were to turn off location access on phone or edit Google Play Services Permission, specifically disable stay awake permission.
Turning off location, google now access to location, or both resulted in temporary fixes and I believe google still tried to figure it's location via wifi despite being told not to.
Long story short...if having just wifi location doesn't work.. and having location off doesn't work...
Then why not switch mode to high accuracy in which GPS is left on!
Google uses GPS for location, it works in one try, everyone is happy!
Long story short, if you have KitKat and are experiencing high battery drain with you phone constantly awake when off.
Switch your location settings to High Accuracy. Phone is smart enough to not use GPS when not needed.
It worked for me and it might work for you too!:good:
(Hopefully this fixes it for good)
Click to expand...
Click to collapse
its working bro......cheers......:good: great ........
So usually I just keep GPS off to save battery. What your saying is to keep GPS on with high accuracy may actually improve battery life over keeping GPS off altogether?
Sent from my Virgin Mobile CDMA HTC Desire 601 zara_cl
what about device sensor's setting?
hi all
is there anyone here already try AppOpsXposed? http://forum.xda-developers.com/xposed/modules/xposed-appopsxposed-appops-4-3-t2564865
it's work at My desire 601 kitkat 4.4.2 without root
this apps can disable hidden system location and other thing but not sure work or not but so far my battery getting better now...
I have the same problem but the solution doesn't work.
I think you fixed the problem by charged the phone and not with switch gps (see your graph).
My solution now is only reboot.
hansvongrobel said:
I have the same problem but the solution doesn't work.
I think you fixed the problem by charged the phone and not with switch gps (see your graph).
My solution now is only reboot.
Click to expand...
Click to collapse
I have GPS switched on. it just doesn't keep it running google play services will turn it on as needed instead of trying to get location from wifi and locking up even when told not to.
Different people have had luck with different solutions and this was mine.
Here are my results from today, the first small block of awake is from me Listening to music for about an hour on 4G.
Not sure what the second block is, might have been apps that updated or the bug returning for a couple minutes. (battery was at 45% at time of pic)
Thanks for this! I'm going to have my wife give it a try!

[Q] GPS wont turn on

I flashed 4.4.4 via flashtool and my gps has not worked since. GPS status app is reporting 0 gps satellites in view
I have high accuracy mode enabled in Location settings. Any idea what's going wrong? How do I reset this thing back to working?
toolong said:
I flashed 4.4.4 via flashtool and my gps has not worked since. GPS status app is reporting 0 gps satellites in view
I have high accuracy mode enabled in Location settings. Any idea what's going wrong? How do I reset this thing back to working?
Click to expand...
Click to collapse
Try one of the fastgps tools that sets the time server for the gps
Solved!
So the solution was to wipe AGPS log, then use "AndroiTS GPS Test" app to get a GPS lock(For some reason a lot of gps apps fail to keep GPS on while in background in 4.4.4). I also had to charge the phone sufficiently leave it in an empty space for about 4hours for it to get a lock. Once it got a lock, it can reestablish gps fairly snappily.
Reseting, Redownloading AGPS without the 4hour lock did nothing.

GPS Accuracy

Does anyone else have issues with their unit (I have the T-Mobile version) mistakenly showing their location as someplace they were HOURS earlier? My maps shows the location where I currently am, but then will occasionally report my location incorrectly as where I was earlier that day, which affects my weather and traffic reporting. Any thoughts?
Do you have high accuracy enabled?
I do have high accuracy enabled. Which the phone doesn't seem to understand the definition of.
If it is showing properly when you open maps but not in other apps, then it isn't the GPS that's the issue. Those apps aren't updating properly.
Mine is off by about 20 ft or so ... no biggie.
One thought though ... do you have background data blocked for the map app?
Background data enabled. I'll use the phone to navigate from work to school. The map shows me at school. Weather and traffic based around campus. Then, maybe an hour later, I look at my phone and it gives me the weather for my office, not school. I open google maps, it looks like I'm back at work, but I'm not.
I have had this happen several times. I open a gps Waze and Google maps, for a little while at work then minmize. A few hours later I will use the gps again at a different location and the gps will flip back an forth from the previous location, this will occur 30 min away or in another state.
I have tried to just shutdown the app and restart but still occurs. My only way to clear this has been to reboot the phone. This happen on both Waze and Google maps.
I found turning location off and back on works for me, but this shouldn't happen
Joe Smithereens said:
Does anyone else have issues with their unit (I have the T-Mobile version) mistakenly showing their location as someplace they were HOURS earlier? My maps shows the location where I currently am, but then will occasionally report my location incorrectly as where I was earlier that day, which affects my weather and traffic reporting. Any thoughts?
Click to expand...
Click to collapse
I've had this issue several times. With my G6 and V30. It happens when I'm using a GPS heavy app and then go inside where a good GPS signal cannot be found or where I'm on WiFi. Oddly. I feel like it happens more if that iZat crap is active. Happens a lot with PoGo.
Also get heavy GPS drifting when in High Accuracy Mode. GPS on LG devices seems to work best in Device Only Mode.
Sent from my LG-H872 using XDA Labs
This is driving me mad. I had to switch phone due to this issue on Galaxy S7 and now it happens on V30.
Took a factory reset for mine to work again. Was fine for the entire time I've had the phone, then out of the blue, just stopped working.
Sent from my LG-H932 using Tapatalk
zsunsun said:
This is driving me mad. I had to switch phone due to this issue on Galaxy S7 and now it happens on V30.
Click to expand...
Click to collapse
Chiming in with "other phones have wonky GPS too": My Moto X Pure has had a couple instances where position appeared to be randomly jumping around, up to several hundred feet away with varying azimuth. Made for " fun" navigation in heavy traffic in unfamiliar cities.
But don't worry, autonomous vehicles will work without a problem. (Yeahhhhh....right....)
...
Autonomous vehicles are using a wide array of sensors to work, combine with deep learning, big data, etc. The GPS used in phones is not the same chip as the one used in a dedicated GPS device, even something as a sports watch as a much more precise GPS, optimised antenna, dedicated processor and optimised OS. I’ve been trying to use phones to track my runs for years and it always jumped around a bit. In a car, depending on the placement (direct view of the sky, for instance vs. blocked by the ceiling), on the weather, on the insulation of the car even, you can have issue with jumping signal. You can try to place the phone in a spot where the antenna has a view of the sky and it might be less of a problem.
I have noticed that the issue is with both Pokemon Go and Google maps. It is really frustrating, and sometimes nothing seems to help. On another site, they recommended installing GPs Status and Toolbox from Google play store. I will try that. If that does not help, the site said that the issue is with the GPS antenna.

GPS is using device only mode

I have installed stock 9.2.1.0 and i have a problem with gps. If i set it to device only mode then it is impossible to go back to high accuracy. I can choose high accuracy but it is working like device only.
Anyone else with the same problem?
Had the same issue and fixed it with simply updating google maps

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