[Q] [SOLVED] GPS suddenly stopped locking, ideas? - Galaxy S I9000 Q&A, Help & Troubleshooting

I have a rooted SGS, but with the official ROM 2.2 (unfortunately, until the EUR 2.3.3 official rolls out for my area. I always had extremely slow GPS locks, even worse compared to the Magic and ZTE Blade I had. I had never modified the NTP server, but anyway this affects fix time only if you are connected to the internet.
2 days my GPS went off. Specifically, launching an application such as igo does makes the satellite icon in the status bar flash, indicating that it tries acquire a GPS fix. And then the icon ... disappears! First time I see something like that. Closing and reopening a navigation application, the icon now does not appear at all, as if GPS is totally disabled. But the application does not complain about lack of GPS functionality!
The only way to make the GPS icon to appear is to reboot and restart a GPS-using application. Then the icon disappears again. This happens with Google Maps, iGo, Navigon.
Running GPS Status is a bit different. In this case, the GPS icon remains flashing as long as the application remains active. But no fix whatsoever is achieved... I have tried to Reset A-GPS data and download new data into it. Nothing.
Relating what can be changed on the mobile, I remembered that just upgraded the version of google maps sometime a few days ago and I enabled caching to be able to off-line browse maps. Thinking that this could somehow be the culprit, I disabled offline browsing and rebooted again. Problem persists. Even tried changing the SUPL server, as mentioned in http://www.addictivetips.com/mobile/...air-and-froyo/
Any ideas on what might be wrong here. The phone is in perfect condition, no crashes, NOTHING! It is within the guarantee period, but I'd hate returning it. Any info will be appreciated.
Phone firmware is given in my signature. This phone is, and has been, running official 2.2 out of the box. No custom firmwares on it ever.

It was that damned Google Maps update after all! I stumbled into this: http://www.google.ru/support/forum/p/Google+Mobile/thread?tid=53e25a0d053f4eeb&hl=en
Uninstalled (the updates over the stock) Google Maps and presto: locked just fine!
Case solved

Related

" Searching for GPS... " forever, on Google Maps Navigation...

I have tried many solutions posted to similar issues in this forum and none are working...
I reflashed the radio
I updated the radio
I also changed roms
I updated google maps...
I installed google voice
I turned the GPS on and off
wiped data and cache
also restarted the phone...
tried indoors and outdoors...
Google maps gets my location fine, but just when I click on navigate it loads and on the bottom of the screen it says "searching for GPS..." and never finds it, the GPS satellite icon shows activity...GPS Test says GPS on...I do not see any other activity at all on the screen though....
this is weird...any ideas? anyone else getting this "error"?
Do you have a data plan or other network connection while trying to get a GPS fix? If you don't, then it can take a REALLY LONG time to get a fix since it won't be able to download the almanac (assisted gps).
Also, some LOCATIONS tend to be very bad for getting a GPS signal. Near tall buildings, for example. Even if you have good exposure to a lot of the sky, the signals can actually REFLECT OFF TALL BUILDINGS and screw up your timings.
lbcoder said:
Do you have a data plan or other network connection while trying to get a GPS fix? If you don't, then it can take a REALLY LONG time to get a fix since it won't be able to download the almanac (assisted gps).
Also, some LOCATIONS tend to be very bad for getting a GPS signal. Near tall buildings, for example. Even if you have good exposure to a lot of the sky, the signals can actually REFLECT OFF TALL BUILDINGS and screw up your timings.
Click to expand...
Click to collapse
Yes I do have a data plan. No I am not near ANY tall buildings - I am in a residential area. I used to get GPS fine here when I had my Nexus One and my HD2 ... but this phone is giving me a hard time....I wish I could get it fixed -I was planning on taking a trip tomorrow and it would be nice to have it working, anyways it should work, I dont see a reason why it should not work...
any other ideas?....
anyone else having this problem? .... please advise me....
If google doesn't know the coordinates of the cell tower you are connected to, it may be sending you incorrect almanac data, which will actually make it HARDER to connect (since the GPS will be making incorrect assumptions about the visible satellites).
Try disabling your data services and reboot the phone.
I had the same problem for like 3 weeks, prior to it, my screen was cracked and i had it replaced at a shop. I finally took the phone apart, and the little cable was not connected. If the phone's been opened since last the GPS worked, check that. If not, No idea bro.
Gristline said:
I had the same problem for like 3 weeks, prior to it, my screen was cracked and i had it replaced at a shop. I finally took the phone apart, and the little cable was not connected. If the phone's been opened since last the GPS worked, check that. If not, No idea bro.
Click to expand...
Click to collapse
no this phone was never opened, but thanks!...
I have tried all of the suggestions I could find and still have no good results...
any other ideas?
I just checked my logCat and I noticed 4 errors all in a row with the tag "MobileNavigation"... the message says "Network Error! 3 : true". Any insight on that?
Thanks in advance...
so no one knows how to fix this
Did you try to turn off the A-GPS? It looks like your G1 try to connect to A-GPS but it can't connect.
did U find how to fix that cause I have kinda the same problem
erebusting said:
I have tried many solutions posted to similar issues in this forum and none are working...
I reflashed the radio
I updated the radio
I also changed roms
I updated google maps...
I installed google voice
I turned the GPS on and off
wiped data and cache
also restarted the phone...
tried indoors and outdoors...
Google maps gets my location fine, but just when I click on navigate it loads and on the bottom of the screen it says "searching for GPS..." and never finds it, the GPS satellite icon shows activity...GPS Test says GPS on...I do not see any other activity at all on the screen though....
this is weird...any ideas? anyone else getting this "error"?
Click to expand...
Click to collapse
My google nav app can t find gps but on the gps status i can fix on1-20 sats. the lock occures almost instantly, sometimes even whithout sats. When indoors (deep indoors) I get lock on 1-3 sats, near a window, at least 8-10 sats.
I d like to know if this is fixable, since I couldn t find another thread that treats this specific problem. I have LG E730 Optimus Sol Gingerbread.
I have the same issue with my HTC Amaze. Looks like there is a huge known problem with Google Maps. This is my second Amaze and both had the same problem. I have tried EVERYTHING. Looks like there is a known issue with Google Maps not using A-GPS correctly. I cannot turn off my A-GPS, so I'm pretty screwed, just waiting on ICS to come out.
I too have been having this issue for some time. This finally fixed the problem:
forum.cyanogenmod.com/topic/29581-searching-for-gps-loop-help/page__p__252817#entry252817 --> YOU WILL HAVE TO COPY AND PASTE URL BECAUSE I HAVEN'T POSTED ENOUGH TO CREATE LINK IN MY MESSAGE
For my Glacier's Sense ROM, I installed DARKSIDE SENSE v4.0... of course I quickly reverted back to my preferred ROM immediately after completing the documented steps in the instructions. GPS works great... no more "Searching for GPS..." message.
digivox said:
I too have been having this issue for some time. This finally fixed the problem:
forum.cyanogenmod.com/topic/29581-searching-for-gps-loop-help/page__p__252817#entry252817 --> YOU WILL HAVE TO COPY AND PASTE URL BECAUSE I HAVEN'T POSTED ENOUGH TO CREATE LINK IN MY MESSAGE
For my Glacier's Sense ROM, I installed DARKSIDE SENSE v4.0... of course I quickly reverted back to my preferred ROM immediately after completing the documented steps in the instructions. GPS works great... no more "Searching for GPS..." message.
Click to expand...
Click to collapse
I can't get to that link, can you PM it to me?
I finally found a semi-fix. In the A-GPS app, if you disable "filter GSP Speed" and disable filter strength, it has seemed to clear up the problem 90% of the time. Sometimes it takes 10 minutes to aquire, but sometimes it only take a few seconds and one it get's a lock, it seems to always keep locked on, which is 1000% better than what I was getting prior to this fix.

Navigation stuck on "Searching for GPS"

Whenever I use the navigation feature in Maps, it gets stuck on "Searching for GPS." I've left it like that overnight and nothing happened. The entire time, the GPS icon in the notification bar is blinking. I've downloaded the GPS Status app and it can't seem to be able to find my location either.
I've tried wiping everything, installing different roms, reinstalling the radio but nothing seems to be able to fix the problem. Navigation worked fine before. This problem just popped up out of nowhere. I've tried it when I'm outside, in different cities, but that hasn't helped. I unlocked my phone so I'm a bit concerned about having to send it into HTC.
Anyone else have the same problem or have any suggestions? Any help would be greatly appreciated.
i'm having the same problem, N1 CM7.0.3 ROM
I've wiped the cache and data on the Maps APP, still having the same problem.
Any help
I sometimes get this issue
I fix it by turning off the GPS, waiting till the GPS icon disappears from the notification bar, then turn on the GPS again. and it gets a GPS lock right away.
one method which helps me to troubleshoot GPS in N1 is to install the free apps GPS status. under sub-menus tools, manage A-GPS state, there is the option to reset GPS data (essentially a reboot of GPS w/o powering off the phone). often when i completed that procedure, and downloaded new GPS assistance data (via wifi, should take no time), GPS lock-on could be achieved within a minute provided i'm outdoor or near window. if GPS lock-on can be achieved with GPS status, then, in theory, the same can be achieved in google map or in car mode. if google map still can lock on to the GPS signals, then i may get another google apps package and flash it into the phone again.
i do come across some custom roms in which GPS function has become crippled, but CM7.0.3 is NOT one of them.

GPS tracking issues on Jellybean Rom (X-bean 2)

Hello guys,
For a couple of months I have been testing several top roms for Galaxy S GT-I9000. The problem is that when I found the most stable and faster one (for my requirements), I have the same problem over and over again, being unable to find the cause. Everything is related to GPS tracking.
To start with the begining, I bought the phone as a present for my wife a while ago. Because of the fact that I wanted to be able to keep up with ALL new applications from Google Store, I have flashed Jellybean [X-bean 2 ROM] (finding it runing considerably faster than the actual third version).
However, after installing all the applications that we were using, I found out that after a couple of GPS (or network) tracking uses, the tracking part just stops working until reboot.
For example, in Viber you have the option to send location when writing a message. After a period of using it, it either keeps giving a past location (which sounds like getting stuck on a specific location fix) or even an error that is unable to locate or something like that.
We also considered funny to track when needed where each of us is (on our way) when we want to meet somewhere in the city after jobs. For that we have used "Where are you sweetie" application. After a few uses, it gives you a location updated dozens of minutes ago, or even "Unable to locate phone" message.
Additionally, for security purposes, I had installed Cerberus. As a test, I wanted to see if that fails too at the same chapter and of course, I got the same result. Either an old location (unless I force it to refresh by activating GPS real-time tracking) or even a "cannot communicate to the phone" sometimes.
The funny part is that after a restart it all works perfect for some time.
And I want to mention that this happened for all jellybean custom roms that I have tested.
I am sure that I am not the only one having the same problem, so even though this is not something that we couldn't have lived without, I was just curious if either of you guys have heard of this or of a fix for this issue.

Google maps/GPS issue

Hey dudes, recently I've been having a problem with my note 5 where google maps/gps just doesn't work unless I reboot my phone. I'll put in the address and my location will be detected, but once I start driving the location doesn't move, it's as if the app is frozen, but it isn't. Rebooting and reopening the app makes it work which makes me think it must be software rather than hardware? I have factory reset the phone, but the problem persists. Any ideas for a solution?
GPS Toolbox app, use it, if it doesn't work try a different navigate app, like waze.
https://play.google.com/store/apps/details?id=com.eclipsim.gpsstatus2
I'm having the same problem. GPS seems to know generally where I am, but not enough to guide me through the navigation. If I ask Maps to tell me where I am right now (stationary, at home), it locates me two blocks away. If I ask Maps to navigate me while I'm on the road, it finds me a route from where it thinks I am, but is unable to update my location once I start moving. My location seems to jump around a lot during navigation and it shows me driving in the middle of the block two blocks away.
I've been trying to find an answer to this online but can't find anything helpful - my location services are on, power saving mode is off, locating method is GPS, Wi-Fi, and mobile networks. I've tried turning location off and back on, I've tried restarting the phone. Nothing works. The problems started when I woke up (e.g. didn't change the settings and suddenly it went wrong) and the phone didn't drop or anything.
GPS toolbox did nothing for me. Waze is having the same problem. I even downloaded Mapquest, thinking that Waze was using Google tech and that was the issue, and Mapquest is having the same problem. This is so frustrating - any ideas?
I have the same issue with my Note 5. I have even had my handset replaced to fix this issue. But I'm stuck with the same problem. There is something seriously wrong with these devices and Samsung needs to own up to it. Considering how much these devices cost, you'd expect everything to work.

Recent GPS problems

I had posted this over on the Note 8 Verizon board but dont think it is really a Verizon problem but more of a Note 8 problem and might get a better response here.
Just recently over the last couple months, I have been having a problem with getting a good gps signal in programs such as Waze and Google maps. I have done all kinds of searches and many mention to go into settings and in location settings, turn on High Accuracy. That option is bo longer available and not sure if it was eliminated in Pie. I have been doing all the latest updates and believe I am current. The only thing I have been able to find is to go into settings, then Google, and then Account Services and there I found location. The only choices under Improve Accuracy is to turn on Wifi scanning and Bluetooth scanning which I have done. There no longer is a choice of High Accuracy and the ability to turn GPS on or off like I had in previous phones and previous versions of Android. I have even tried turning on High Performance under Battery Power settings and turned off any choices to optimize battery or disable apps. I ended up downloading 2 different GPS apps from Store, GPS Status and GPS Fix/Optimizer. I will normally use Waze or Google maps through Android Auto. I can tell when there is a problem when the position indicator keeps bouncing all over the place in Waze and cant find exactly where I am. When that happens, I will check on GPS Status and it always shows that it is having a problem acquiring the satellite signals. I will then open up GPS Fix/Optimizer and on the home screen, there is a button that will say Service Off. I press it and it will then read Service On. Switching back to GPS Status will now show that it is starting to acquire multiple satellite signals. When I switch back to Waze, now it is able to show my exact location and begins to work properly.
This is driving me nuts. I never had this problem on any other of multiple different phones or Android versions. I can get GPS working but have to jump through all these hoops each time and it sucks. So what other steps can I do to be able to fire up Waze and have it find me right away?
I've had this problem for YEARS on all my Samsung devices running the latest firmware updates and unrooted while connected to a LTE data plan. The issue doesn't affect my other (new) Samsung A30 however. I've always had the latest note series since the Note2, 3, 4, 5, 8.
If I have my Samsung A30 and Note 8 with Google Maps giving me turn by turn directions, my Note 8 (as with my current phones) will stop reporting my location from the very begining of the trip while my Samsung A30 is giving the correct updates. All phones are connected to the same carrier, and same GPS / App settings.
---------- Post added at 08:05 AM ---------- Previous post was at 08:01 AM ----------
What is consistent about all my Notes is that I've been using Samsung Smart Switch to transfer over the data from the previous Note to the next. I wonder if I transferred over some corrupt settings somewhere. No GPS app works as it should for me unless I'm connected to WiFi, or restart my device, then it works for a few minutes, then gets "lost" again.
Anonymously_Unknown said:
I've had this problem for YEARS on all my Samsung devices running the latest firmware updates and unrooted while connected to a LTE data plan. The issue doesn't affect my other (new) Samsung A30 however. I've always had the latest note series since the Note2, 3, 4, 5, 8.
If I have my Samsung A30 and Note 8 with Google Maps giving me turn by turn directions, my Note 8 (as with my current phones) will stop reporting my location from the very begining of the trip while my Samsung A30 is giving the correct updates. All phones are connected to the same carrier, and same GPS / App settings.
---------- Post added at 08:05 AM ---------- Previous post was at 08:01 AM ----------
What is consistent about all my Notes is that I've been using Samsung Smart Switch to transfer over the data from the previous Note to the next. I wonder if I transferred over some corrupt settings somewhere. No GPS app works as it should for me unless I'm connected to WiFi, or restart my device, then it works for a few minutes, then gets "lost" again.
Click to expand...
Click to collapse
The more I've looked into it, it seems to have occurred following the early Feb update. It also seems to have affected S9 phones and Note 9 and 10 and possibly others after they got the Android 10 update. But it seems to be only a Samsung problem. Samsung, Google, and Verizon are all blaming each other instead of trying to figure out a fix. The biggest issue I see is the lack of control of being able to change the GPS from off to on. Without being able to control the GPS, we are at the mercy of the software to do that and it is obviously failing. The only workaround I have found was what I posted above and utilizing GPS Fix/Optimizer and GPS Status apps, I can get both Waze and Google Maps to work properly. It just bugs me that I have to go through several steps to do this instead of just firing up my navigation app and taking off...
And just to add, I too have used Smart Switch many times before and never had problem. It only started recently. As far as the control for GPS, I'm not sure when that setting was removed. I never paid much attention before because it wasnt necessary. But what I did find curious was that Location setting was buried instead of it being one of the main settings. You really have to dig to find it now...
Anonymously_Unknown said:
[/COLOR]What is consistent about all my Notes is that I've been using Samsung Smart Switch to transfer over the data from the previous Note to the next. I wonder if I transferred over some corrupt settings somewhere. No GPS app works as it should for me unless I'm connected to WiFi, or restart my device, then it works for a few minutes, then gets "lost" again.
Click to expand...
Click to collapse
I have noticed that certain apps like GPS apps require that you reinstall them onto your new device from scratch. As SmartSwitch doesn't seem to transfer the data files corrected to other Samsung devices.
iceepyon said:
I have noticed that certain apps like GPS apps require that you reinstall them onto your new device from scratch. As SmartSwitch doesn't seem to transfer the data files corrected to other Samsung devices.
Click to expand...
Click to collapse
I agree with that but this is not a new device nor have I done any kind of restore or transfer from an old phone in quite a while. All my apps have been fine for over a year now on this Note 8. This only started after the first February "Security" update.
mikeyk101 said:
I agree with that but this is not a new device nor have I done any kind of restore or transfer from an old phone in quite a while. All my apps have been fine for over a year now on this Note 8. This only started after the first February "Security" update.
Click to expand...
Click to collapse
Could be that an OS update requires you to install a newer version of the GPS app, which you are currently using
iceepyon said:
Could be that an OS update requires you to install a newer version of the GPS app, which you are currently using
Click to expand...
Click to collapse
Im pretty sure that's not the case. My Note is still on Android 9 (Pie) which it has been for almost a year now. It has only gotten security and various minor updates but not any kind of OS update. Note 8 will not be getting Android 10, only security updates. I always update Waze and Google maps anytime an update comes out. I usually update all the other apps at least once a week. The GPS apps that I recently downloaded are the only reason that I am able to access and use my GPS through Waze and Google maps.
mikeyk101 said:
Im pretty sure that's not the case. My Note is still on Android 9 (Pie) which it has been for almost a year now. It has only gotten security and various minor updates but not any kind of OS update. Note 8 will not be getting Android 10, only security updates. I always update Waze and Google maps anytime an update comes out. I usually update all the other apps at least once a week. The GPS apps that I recently downloaded are the only reason that I am able to access and use my GPS through Waze and Google maps.
Click to expand...
Click to collapse
That is interesting as I am running Sygic on my Note 8 and it seems to be working just fine. I am rocking the N950N with the latest OS security updates.
iceepyon said:
Could be that an OS update requires you to install a newer version of the GPS app, which you are currently using
Click to expand...
Click to collapse
I've cleared cache, app data, uninstalled all GPS apps, before re-installing in an unsuccessful attempt to resolve the issue.
I even left the Google Maps "beta testing programme" thinking that a beta copy of the app might have been the issue.
Anonymously_Unknown said:
I've cleared cache, app data, uninstalled all GPS apps, before re-installing in an unsuccessful attempt to resolve the issue.
I even left the Google Maps "beta testing programme" thinking that a beta copy of the app might have been the issue.
Click to expand...
Click to collapse
Download the 2 apps I mentioned and run them. You may have to do that every time before using Google Maps but it should get you working. It's just aggravating to have to go through several steps when I should be able to open the main app I want and have it work.
Something weird just happened. I know that a couple days ago to find the location setting, I had to go to settings, Google, Account Services, and I found location there. Tonight just messing around, I noticed that it is no longer there. Instead, it is now found under settings, and then Biometrics and Security. It is down towards the bottom. Not sure how this happened as I have not received any kind of system updates. Also GPS Status app seems to just run in the background. When I open up Waze, it seems to find my location right away. I will have to keep monitoring this and see if the problem has actually been worked out.
mikeyk101 said:
Download the 2 apps I mentioned and run them. You may have to do that every time before using Google Maps but it should get you working. It's just aggravating to have to go through several steps when I should be able to open the main app I want and have it work.
Click to expand...
Click to collapse
I've already done this from even before this thread was created, but as you said, it is frustrating for me to have to do this every 10 or so minutes, as GPS stops working quite frequently on my Note 8. GPS was fine with the bone-stock firmware out of the box.
Anonymously_Unknown said:
I've already done this from even before this thread was created, but as you said, it is frustrating for me to have to do this every 10 or so minutes, as GPS stops working quite frequently on my Note 8. GPS was fine with the bone-stock firmware out of the box.
Click to expand...
Click to collapse
In GPS Status, did you go into Manage A-GPS State and do the reset and download choices? Also did you try the GPS Fix/Optimizer app and run the Fix GPS?
mikeyk101 said:
t is now found under settings, and then Biometrics and Security. It is down towards the bottom.
Click to expand...
Click to collapse
Mine is on the February 1, 2020 security patch, and I have that option there as well. All my permissions are enabled for Location for all apps
---------- Post added at 12:37 AM ---------- Previous post was at 12:33 AM ----------
mikeyk101 said:
Also did you try the GPS Fix/Optimizer app and run the Fix GPS?
Click to expand...
Click to collapse
Yes, and yes. 10 minutes later, GPS stops working. It works great if I'm driving past WiFi, however.
I can stream YouTube continuously, so I know my LTE connection is active.
mikeyk101 said:
Something weird just happened. I know that a couple days ago to find the location setting, I had to go to settings, Google, Account Services, and I found location there. Tonight just messing around, I noticed that it is no longer there. Instead, it is now found under settings, and then Biometrics and Security. It is down towards the bottom. Not sure how this happened as I have not received any kind of system updates. Also GPS Status app seems to just run in the background. When I open up Waze, it seems to find my location right away. I will have to keep monitoring this and see if the problem has actually been worked out.
Click to expand...
Click to collapse
Hey Mikey,
I've noticed that it has improved, but definitely not resolved.
I'm wondering if a factory reset will revert all software updates? I have an appointment tomorrow at the samsung store, and they are going to factory reset and install the most recent software update via their system rather than an OTA which builds upon other updates. I'm backing up my phone now... which in itself is a pain. If not, I did try the GPS fix and the other GPS software, but I did not try them concurrently together, as I found GPS fix to work better. Ultimately though, I didn't think it helped by itself.
sjsuguy83 said:
I'm wondering if a factory reset will revert all software updates?
Click to expand...
Click to collapse
No.
I'm bumping this back up to the top. One thing I have noticed is that if I haven't used any location type apps such as google maps or Waze in a while and then open up Android Auto in my Chevy, I have a 50/50 shot of the gps actually working. Actually probably less although occasionally it will work right away. When it doesnt, I have to pull the cord out of the phone disconnecting the Chevy from My Note 8 and even if I only open up Waze or google maps after that, it will still not be able to locate my exact position. When this happens, I have opened up GPS status app and the phone gps is definitely not working. I will then open up GPS fix/optimizer and in the bottom left of the home screen, I will toggle the Service Off to Service On. Checking back with GPS Status, within a couple seconds, it shows that the GPS is now working. I can then plug my phone back into my Chevy and Android Auto with either Waze or Google Maps will be working fine for as long as I'm using it.
I originally thought it was a Samsung software issue. Now I'm starting to wonder. If I use Waze or Google Maps as standalone, they seem to work most of the time. It seems to happen mostly using Android Auto first which then opens the navigation software and if I haven't used any apps that call for location recently. I'm stumped...
Looks like I may be on the right track and Android Auto could be the cause of my issues: https://support.google.com/androidauto/thread/17860576
I also found some other info that Adaptive Battery and battery optimization might also have something to do with it. I turned off adaptive battery by going into settings, then device care, then clicked on the battery icon. There are 3 dots in upper right which let you into battery settings. You can turn off adaptive battery there. Next, I went into settings, then apps, and first selected Android Auto. I clicked on the battery choice and then optimize battery usage. There in the top left, I switched from apps not optimized to all. From there I then found Android Auto and turned it off. I then while ein same screen turned off optimization for Maps and Waze. Unfortunately I dont drive that often and now with the VID, I am driving even less so it may be a while before I can verify that this worked.
An update to this. I reached out to the sub forum for Android Auto over on Google Support and got semi confirmation that the problem could actually be coming from Android Auto. One of the explanations given had something to do with Android Auto trying to get info from the vehicles gps device to make it more accurate but it may have problems communicating with the vehicle gps system. I do not have a dedicated navigation in my vehicle so not sure what it is trying to actually connect to so this could partially explain the problem. Why Android Auto would need to connect to any gps device in vehicle is beyond me because for years, my phones have always relied on the in phone GPS and have worked just fine. Here is that thread:
https://support.google.com/androidauto/thread/45792804?hl=en
So I'm having the same issue on an unbranded note 8. But I'm not using android auto. I can use gps tools and it holds a lock fine. But if additional programs are launched, waze, maps, jbv1 I lose lock.

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