Bluetooth issues, constant disconnect/reconnect in car - OnePlus 7 Pro Questions & Answers

Looked at all the other posts couldn't find any answers that solved it. So have a OnePlus 7 Pro 12/256. Build 9.5.11GM21AA. Verizon SIM 1, AT&T SIM2. Car is a 2018 BMW X1 and I get a easy to pair with the car. However when I play Google Play Music, YouTube, Plex to test, I constant get 4-10 seconds of audio then a disconnect. Phone then takes 10 min to connect again plays audio for 4-10 seconds and repeat over and over and over. Have two profiles installed personal and encrypted for work. Cleared Bluetooth app (Both of them) with cache and data. Developer mode enabled and tried all Bluetooth Codec's with no change?
Any thoughts from the rest of you all?

I have the same issue with the same phone, build 9.5.11GM21BA and a Mini Countryman 2018 (quite possible same infotainment system as BMW), and it will disconnect about 10 sec after starting to play music, and reconnect "only" take about 30 seconds or so, then play music for about 10 second and disconnect again, going on like this forever.
BUT if I restart my phone after a disconnect, then I can play music without any further disconnect until I arrive at my destination. Next time I connnect to the car it will disconnect again when music starts, and I can again restart my phone to "fix" it, but it's REALLY annoying! Also tried all codec's in developer mode.
Anyone know if it's possible to fix this without those restarts?

I have a similar issue in my 2015 m235i, only difference for me is that when I start to play something on google play the Bluetooth disconnects in the infotainment and then comes back after about 10sec. It happens every time I choose a song in google play music. Mine does end up playing once it's started though

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Music starting when I turn off bluetooth

So no matter what application I'm using on my Radar and how I exit the app, i.e., just pause, back all the way out, etc. the music starts playing again when I turn off my BT headset. I've tried looking through settings to no avail.
bump........
hah2110 said:
So no matter what application I'm using on my Radar and how I exit the app, i.e., just pause, back all the way out, etc. the music starts playing again when I turn off my BT headset. I've tried looking through settings to no avail.
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Click to collapse
That's odd. Music should automatically stop playing when your bluetooth device is shutoff.
It should not automatically start.
Please describe every detail of what you are doing, connected to, etc. Order and timing might be important.
JVH3 said:
That's odd. Music should automatically stop playing when your bluetooth device is shutoff.
It should not automatically start.
Please describe every detail of what you are doing, connected to, etc. Order and timing might be important.
Click to expand...
Click to collapse
Starting with phone idle
Turn on Bluetooth headset
Verify it is connected in Settings
Back out and go to a streaming app (has occurred in slacker and metroradio)
Stream music for any given amount of time
Either pause music, pause and back all the way out, just back all the way out, etc.
Shut screen/put in pocket
Turn off bluetooth headset
Music starts playing from phone speaker
Bump - happened again tonight. This time I paused from the lock screen just to test. Paused -> Screen Off -> BT off -> 10 seconds later, music starts
does it happen if you shut bluetooth off before shutting screen off?
Does it happen with Zune as music player ? Also does these apps have any settings for this kind of situation.
wpxbox said:
Does it happen with Zune as music player ? Also does these apps have any settings for this kind of situation.
Click to expand...
Click to collapse
I don't use Zune. The only setting in Slacker is if I want Radio to resume automatically when Bluetooth is connected and that is turned off. Metro has nothing.
BUMP.........
You need the app "Stop the Music!
I had the same problem on my Lumia 800 today.. so awkward.....
I was at work and use a Logitech bluetooth docking station, playing music was fine, no problem at all.. I work a shoppingmall and while on my break I went in the another store just next to mine. A really hot girl works there and this lyrics came on highest volume:
"I'm fat, I'm Single, I'm ready to mingle"
here's a youtube link... Never been so embarrassed in my life, I managed to save my ass but only just! A fix would be superb!
http://www.youtube.com/watch?v=TpJooV7RrMk
I've had the same issue with the background audio from Podcasts! Pro. It doesn't do this with Zune. I'm guessing its an issue with the way the background api is being implemented.
Another thing i've noticed, when it switches to or from BT, the audio picks up from the last point before BT is connected. Example, if I'm listening to an hour long podcast, and I get 23 minutes into it before switching to BT, even when I listen to another 20 minutes of the podcast, it will revert back to the 23min point once BT is disconnected.
Same issue here
Hi,
I'm having the same issue here with a Mercedes B180 built in Handsfree and Lumia 800.
It happens with Wimp, not Spotify.
As a matter of fact music Streaming is not working at all from any app to this HF.
However: BT with my combination is ok for Contact Transfer and Phone functions so it's not a catastrophy, but....
One other thing: When turning ignition off, ongoing calls are disrupted and not returned to the handset...
Nokia Support said that this is a issue caused by them using the Microsoft BT Stack for Music Streaming while probably Mercedes is using some other (Widcomm, Toshiba...)
BTW: I've used iPhone in this scenario and it works fine with all functions.

[Q] Bluetooth reconnecting every 10 minutes

Hi all,
Been reasonably happy with the z3 so far but I'm having problems with Bluetooth connectivity, specifically in my car. I'm used to an iphone, which works flawlessly, but the z3 only seems to be able retain a connection for 10 mins before slowly reconnecting. It's become frustrating as it restarts some of my tasker profiles(?).
Has anyone else had similar issues? Are there any known fixes for this?
I've tried turning off stamina, wifi, bluetooth timeout, display timeout, re-pairing my device - nothing has helped!
Cheers,
Russ
Info
rgtuit said:
Hi all,
Been reasonably happy with the z3 so far but I'm having problems with Bluetooth connectivity, specifically in my car. I'm used to an iphone, which works flawlessly, but the z3 only seems to be able retain a connection for 10 mins before slowly reconnecting. It's become frustrating as it restarts some of my tasker profiles(?).
Has anyone else had similar issues? Are there any known fixes for this?
I've tried turning off stamina, wifi, bluetooth timeout, display timeout, re-pairing my device - nothing has helped!
Cheers,
Russ
Click to expand...
Click to collapse
The normal Stamina mode (not ultra) won't disconnect any connection just limit background process.
This can be bug in firmware So try to repair it by PC companion
+ and a question; is this happen with another bluetooth devices or just with car?
cause if it happen with car it can be software compatibility & ...
Thanks for the reply. I thought I would update.
I did try checking for firmware updates but I found a different solution shortly after. I downloaded the 'Xperia Z1 Bluetooth Fix' from the google play store, installed it and selected the Tune2Air device (when it was in range). Since then I've had no reconnecting problems! I have no idea what the app has done but it has completely solved the issues I was having. I suggest giving it a go if you are having similar symptoms. :good:
rgtuit said:
Thanks for the reply. I thought I would update.
I did try checking for firmware updates but I found a different solution shortly after. I downloaded the 'Xperia Z1 Bluetooth Fix' from the google play store, installed it and selected the Tune2Air device (when it was in range). Since then I've had no reconnecting problems! I have no idea what the app has done but it has completely solved the issues I was having. I suggest giving it a go if you are having similar symptoms. :good:
Click to expand...
Click to collapse
I get this all the time, constant every couple of seconds when connected to my Mercedes Comand unit..
I will download this app and test it out, hopefully it sorts it.
I have Volvo V40 and when I step in my car with my bluetooth on, I see on my Z3 Bluetooth connect and then disconnect. This repeats all the time. When I then disable bluetooth and enable, the problem is gone. I don't know for sure, but what I have see on my car's phone menu, although I get these disconnects on my phone , the disconnects are not noticed by my car. But again, I didn't look into that yet. Do you have similar problems?
Hi all,
Great to know im not crazy bcuz im having the same issues in my toyota as the volvo. My phone automatically tries to pair & sometimes this works flawlessly, yet other times it connects, stalls, then spends an age tring to reconnect & all the while the cars head unit still perceives a connection. What i hav noticed is that i get great connections (fast & from where i left off) when i pause before switching off my car. If i dont pause then i need to manually connect even if the phone says its pairing with my car. Iv come from a nokia n8 which worked flawlessly however i could not control the volume from the phone which i can do from the z3 & i was wondering if the problem could be with either the phone or stereo having conflicting memory of what was last played, volume level , etc. As there must be data stored somewhere on either or both devices.
Look at this page for an explanation of Sony, seems to be a problem from the bluetooth version of the car:
https://talk.sonymobile.com/t5/Xper...s-connecting-disconnecting/td-p/853609/page/2
I dont think its necessarily the car as the problem i outlined is resolved if i pause the playing music before cutting power. I should correct an earlier comment. My problem is with playing music from my phones harddrive via a player such as the native music player, vlc music player, music visualiser, etc rather than streaming music so im not sure what peolpe using cloud services or internet radio can do.
Does anyone know why pausing the music before leaving the car is necessary when in my experience using bluetooth 3.0 didnt require this?

Google Music issues (I THINK this is a One issue)

I remember reading a while back that Google Music had added gapless playback support, but it's not working for me (either on my phone or computer, actually). All the digging I've done says if you enable the equalizer it will be fixed, but I can't figure out how to do that at all. Can anyone tell me?
Reference:
http://forums.androidcentral.com/android-apps/222604-gapless-playback-music-google-play.html
https://code.google.com/p/android/issues/detail?id=63337
It's also started playing music when it connects to my car stereo much less reliably. I used to get in and a few seconds later I was streaming music. Now, BT connects and a lot of the time it never plays a song at all, other times it will automatically take one but take as long as 5 minutes, and occasionally it will immediately start playing. What's going on here and how do I make it work the way it should?

Major problem, Bluetooth music connection to car

Hi, has anyone run into this?
I'm used to play music from my phone to my car (Toyota Auris hybrid) over Bluetooth. Worked good with my LG G4 but with the Mate 9 it miserable fails. BT connects but it won't play anything.
There's loads of forum messages around since nougat came out, it seems to be an android 7.0 problem that seems to be solved in 7.11
Do you guys have successfully streamed in your cars over BT? Please let us know!
blackspp said:
Hi, has anyone run into this?
I'm used to play music from my phone to my car (Toyota Auris hybrid) over Bluetooth. Worked good with my LG G4 but with the Mate 9 it miserable fails. BT connects but it won't play anything.
There's loads of forum messages around since nougat came out, it seems to be an android 7.0 problem that seems to be solved in 7.11
Do you guys have successfully streamed in your cars over BT? Please let us know!
Click to expand...
Click to collapse
I'll test it when mine arrives as I use bluetooth also.
Some other info, it really seems to be widespread and only with cars. Will check if calling actually works, I was so busy with music I forgot to check.
Btw, I have a Pebble time steel and that now has a better and more stable BT connection across a longer distance than with the lg g4.
Update next day:
Car/phone BT connection is fine.
Audio suddenly worked after a few tries but no tags visible. Much in line with what others say. Really erratic behavior.
Same for my BT speaker, perfect connection.
Another update: It played audio only once. After some more digging on other forums it seems that Android 7 is the issue. A lot of cars won't play audio over BT anymore or just handle the stream only now and than. The connection is there, the song is playing on the phone, it streams to the car but there's no sound. Oddly when you receive a phone call there's no prob whatsoever.
blackspp said:
Another update: It played audio only once. After some more digging on other forums it seems that Android 7 is the issue. A lot of cars won't play audio over BT anymore or just handle the stream only now and than. The connection is there, the song is playing on the phone, it streams to the car but there's no sound. Oddly when you receive a phone call there's no prob whatsoever.
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Click to collapse
My Nexus 6P on RRemix rom rooted with Marshmallow does this with 2017 Audi A4. Only thing that makes it come back is to hit the bluetooth icon in notification tray off and back on, and it syncs back up with sound. Try that? It might be a Huawei bug?
I had a similar issue on my mate 8. Spotify worked but deezer didn't in relation to showing what's playing etc.. it's likely to be nougat 7 as I've got a pixel xl and no issues with 7.1 at all over Bluetooth to my car. Looking at a mate 9 though as I miss the bigger screen
Sent from my Pixel XL using Tapatalk
I have had issues with my S7 Edge where everything connects up and all seems normal but when it plays it either delays before sound works right out of car speakers or you have to do a dance of connecting and reconnecting before sounds works properly. Also think I recall similar glitching with my previous car and my previous android phone but maybe it was previous phone (Nexus 6P) and current car (2015 Nissan Murano Platinum). Only regularly ever play podcasts in car from Beyond Pod app, BTW. Occasionally play something off YouTube but don't recall it glitching.
Sent from my Samsung Galaxy Tab S2 using XDA Labs
I have a Japanese 2014 Mazda Demio, and my Chinese Mate 9 (MHA-AL00C00B109SP01) connected, played music no problem, over bluetooth. The artist/song name shows up. But it doesn't support browsing the song library like the iPhone or Galaxy S7 did.
I also have issues to connect my mate 9 to my car (Renault Laguna 3 from 2011). I simply do not succeed to connect the phone to the car: when I try to connect, my car gives me a 4 digits pin number to enter into my phone to establish the connection, I try to connect to my car from the mobile, the box to enter the 4 digits opens and closes before I have the time to enter the digits with a connection error message.
I suspect a software bug on the bt connection with pin validation on the mate side. I can connect without issue to a standard Bluetooth speaker.
I think some cars, maybe many, just have suck computer systems. It is why I always laugh at the idea of self driving cars - like these same morons that make these terrible in car computer systems will be worth trusting to drive you around.
Sent from my Samsung Galaxy Tab S2 using XDA Labs
I also have issue on Bluetooth with my Renault Megane 2009
I had to choose nomade device to pair my mate and I have some problem on mp3 play-back that suddenly stop where has it continue on music player.
It seems to be better since I install A2DP switcher from playstore but don't know why
So I have had this issue since I got the phone yesterday and just got it working in my 2012 Toyota Tundra.
Settings > Apps > hit the 3 dots > Show system processes > Bluetooth Share > Force stop, clear data. After that try pairing your device, mine has stayed connect with frequent breaks for 5 hours today
No issues with 2 of my vehicles.
I'm having no issues at all. I'm connecting to a Tune2Air bluetooth adapter ('11 A4 doesn't support Bluetooth streaming).
same issue with Pioneer Android Auto unit.
Sometimes it works out of the box, sometimes music plays (as per screen indicators) but no music, sometimes music plays for split second and stops.
disabling/enabling BT helps
no issues when phone is connected over usb with android auto
Same thing with me as well. I have reached out to Huawei but no response. I have a US version
Just got a new Huawei Mate 9 from Optus Australia. It would not connect to my car bluetooth although it would connect to two bluetooth speakers I have. Optus technical support finally resolved the issue by changing the car bluetooth PIN from 1111 to 0000. Looks like a Huawei bug in that it can only connect to devices without a PIN or with a PIN of 0000. Checked my speakers and one has no PIN and the other has 0000 as the PIN. Hopefully Huawei will fix this.
I have a recent Japanese Mazda, as well as a gear s3 or a Huawei watch connected at the same time, and no issues with Bluetooth at all with any recent Huawei firmwares.
My Fabia plays over BT just fine, Android Auto plays it fine too.
dscline said:
I'm having no issues at all. I'm connecting to a Tune2Air bluetooth adapter ('11 A4 doesn't support Bluetooth streaming).
Click to expand...
Click to collapse
I previously reported no issues, but now BT is very problematic. For me, it seems, the issue stems from multiple connections. Before I needed two bluetooth connections in my car: one to the car itself for phone calls, and one to a BT adapter to stream music to the car's audio system. A couple months ago, I added a Huawei watch to the mix, and things went south. Typically I'll put my watch on in the morning and it will connect to the phone no problem. But when I get in my car, it doesn't want to connect: the car itself is not connected at all, the phone reports that it's connected to the BT streaming adapter, but no music plays through it. If I turn off BT on the phone and turn it back on, typically that will fix the streaming, but not the phone call connection. The phone will report that both the streaming adapter and the watch are connected, but not the car. If I click on the car connection, it will then connect. The watch connection in the list with then lose the "connected" status, but strangely, it stays connected.
So, I can't get three devices to say "connected" in the BT device list simultaneously, BUT if I turn BT off then back on when all three devices are available, THEN manually connect the car connection, all three will work, even though only two of them will say "connected".

Trying to play audio causes Bluetooth connection to die

As long as I've had this phone (January or so), this phone has been extremely flakey with my car's Bluetooth stereo. It connects within about 30 seconds of turning on the car, as usual, and displays a status showing connected. But when I actually try to play an audio file (usually a podcast, sometimes music, sometimes initiate a phone call), the BT connection dies, and the car stereo shows "No audio connection detected". I then have to wait another 30 seconds or so to try again.
This happened maybe 50% of the time when I got the phone, but since the Oreo update I feel like it's up to 85% of the time. It's only the first attempt--subsequent connections are usually fine. Nonetheless, it's driving me nuts. I've had four Android phones over the past seven years (including a Galaxy S2) and none of them ever had an issue with the stereo before this one.
Is there anything I can do to troubleshoot this?
try forgetting the device in car bluetooth settings
You could trying pairing your S8 with another car. This will help you establish whether the issue is with the car or the phone. You could also try to Reset Network Settings

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