Trying to play audio causes Bluetooth connection to die - Samsung Galaxy S8+ Questions & Answers

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

Related

[Q] Bluetooth auto-reconnect after disconnect

I own a 2011 Subaru Impreza STi which I have paired with my HTC Sensation 4G (t-mobile). Currently I can listen to music through the radio, take phone calls, and control the current song through the dash and steering wheel. Like others have reported, it always starts playing immediately upon bluetooth connection (annoying).
The real problem I am having is that the phone won't automatically reconnect to the car when I start the car/stereo back up. When I am using the bluetooth playing through the car, and I shutoff the car, the music player on the phone stops and closes, but the bluetooth still says "connected." When I go back to the car again, (15 seconds or many days later) it won't automatically reconnect and start playing again. In order to get it to reconnect, I have to disable bluetooth and reenable it; only then the phone will automatically connect. Any advice on getting the phone to automatically reconnect when I turn the car back on, so I don't have to disable and reenable the bluetooth on the phone?
I currently run the Sense UI (I hate it). I S-OFF'ed, rooted, and CID'd the phone yesterday so that I can install stock CM7 on it soon.
Thank you in advance.

Bluetooth issues

I've been reading and searching but I think I missed the thread that pertains to my issues. Running Stock everything and bluetooth connects from my phone to my headset fine but when I get in my car, the bluetooth system in my car starts screaming at me every 30 seconds that the "pairing process must be initiated from the car and not the phone". Well, I'm not trying to pair, why is the phone sending out a pairing attempt and how can I stop it?

Issues with Stable Bluetooth Connection in Car

I'm having an issue with my bluetooth holding a connection with my 2013 Honda Civic LX. When listening to music through any music playing app, the connection always stays steady. When there is no music running from the phone, I'll frequently get a message from the display on the dash that the phone has been disconnected. The phone will usually reconnect in a second or two, with another display indicating that it has been connected. This will happen at least two times during my commute to work (25 minutes), oftentimes as many as five times. When I am actively in a phone call, the disconnects seem to be more frequent. It has a timer on the display that shows how long the phone call has been active through the car, and it rarely gets above 3 minutes before the call gets routed back to the phone's speakers while the bluetooth reconnects. The strange thing is that my wife's LG G4, also AT&T, has absolutely no connection issues at any time. I switched phones with her for a week just to confirm since I'm the one generally driving this car, and I didn't have the car drop the connection to the phone even once. Before that week, her phone would have occasionally been used when we were both in the car and she wanted to listen to music through her phone, so it had been connected to the car for more than a week.
I factory reset the phone just to see if there was a strange software issue causing the problem. After the factory reset, the phone and car had a steady connection with no drops for about a week. When the problem came back and was obviously just as bad as before, I tried another factory reset. Once again, the connection stayed steady for about a week before I would get disconnects again. At this point, I contacted AT&T, who replaced my phone thinking that it could be a hardware issue. A week after getting my replacement, the issue popped up once again.
Besides factory resetting, which is the only thing I've found to fix it at least temporarily, I have tried a few different troubleshooting steps. I have cleared cache using the storage screen in the settings menu. I've deleted the phone from the car's connection list. I've re-paired the phone to the car without giving permission for contacts or messages. Also tried to just do a simple reboot of the phone, as well as turning bluetooth off and back on. None of these have any effect on the connection issues once they start coming up.
I can take the car to Honda, but judging on the fact that my wife's phone works just fine in the car, I'm convinced that it is somehow an issue with the software on my phone. My phone is not rooted, and is currently running Android 5.1, S/W H81010o, Build LMY47D.
My guess is hardware problem. My G4 seems to do the same thing with my Jaybird X2 headphones. I've had Jaybird swap them and I'm having the same exact issue of disconnect as with the previous set. I doubt I'd get two bad sets, so its gotta be something hardware related. Sorry I wasn't any extra help. I'm just searching to see if anyone else is having my issue.
My hunch would be whatever the BT protocol is that's being used to pair the devices. Or possibly just an isolated hardware incompatibility. I'm on my second G4 (totally separate reason from BT), and neither has had issues with pairing or staying paired. Even if I were to pause or altogether stop playback of audio, the connection remains stable for me. I pair mine with a Sony BT speaker, a Kinovo receiver for streaming to my car stereo, and even a receiver attached to my Yamaha A/V receiver at home. No issues whatsoever.
For what it's worth: I use PowerAmp Pro when I stream, almost exclusively.
upyouratrix said:
My guess is hardware problem. My G4 seems to do the same thing with my Jaybird X2 headphones. I've had Jaybird swap them and I'm having the same exact issue of disconnect as with the previous set. I doubt I'd get two bad sets, so its gotta be something hardware related. Sorry I wasn't any extra help. I'm just searching to see if anyone else is having my issue.
Click to expand...
Click to collapse
The strange thing for me is that my wife's LG G4 (now 6 months old) works fine in my car under the same circumstances, but I've had 2 LG G4's of my own that essentially showed the exact same symptoms almost immediately. I'm leaning far more towards it being software, with whatever glitch not being present immediately after I factory reset but shows up within a week on my Google profile. My guess is that it's related to the phone related data transferred to the car since it stays connected just fine during media playback but disconnects soon after the media stops, but I can only block contacts to test that theory.

Bluetooth Guru for car connection

Hi, I've been having some fairly big issues with my in-car Bluetooth and phones. I have a 2013 Subaru WRX with the stock stereo which is made by Clarion.
I first started experiencing problems with it about 2 years ago: I would be driving along when all of a sudden my phone would randomly disconnect from my car while I'm talking, listening to music or just had the GPS running (or a combination of these). Oftentimes my car stereo will spaz out once it disconnects and will actually freeze (all buttons are non functioning, including steering wheel controls, power button, am/fm buttons, volume, etc) and take many minutes to reset the connection or it won't do anything at all (the stereo says, "please wait" or "paused" or will get hung on the song title that was playing when the phone disconnected) and my phone won't reconnect to it - I'll have to restart my car. Sometimes the stereo will reset and simply won't reconnect to my phone.
The kicker is that it's an intermittent problem, but still happens semi-frequently for periods at a time then it seems to get better. I've tried deleting my paired phone list in the car and on the phone, I've tried formatting my phone and nothing worked. I even brought my car into Subaru to diagnose the problem because I feel it's a car issue and they claimed it worked with their own phone which I feel is BS because they didn't want to fix it while the car was still on warranty, but that's another story! They said they couldn't fix it because they saw no problem (couldn't reproduce it) even though I provided them with video and pictures of it occurring.
This first started happening with my unlocked, stock, HTC One, m7 (currently running lollipop) . I thought there was a chance it could be related to an app or the OS but was not able to diagnose or isolate the issue. I just recently bought a Nexus 5x (marshmallow), unlocked, stock, thinking if it was the phone then this would fix the problem. It actually seems to have gotten worse with the frequency, however I've noticed that the phone is better at pairing with my car after the connection is lost. I still can't reproduce this on a consistent basis.
Can anyone suggest some possible causes and fixes? I'm hoping someone here is a Bluetooth Guru!

Bluetooth blocking? HELP....

I have this bluetooth stereo, connected to it once with my phone via BT. At this point I have completely reset the stereo, factory reset my phone, and still have the issue.
Phone: Galaxy Note 8 (SM-N950U)
Strereo: Boss BV9370B
Issue: since connecting, the stereo attempts reconnection every 30 or so seconds when the key is on in the car. Its driving me nuts and wearing out my battery as it wakes the phone constantly.
How do I fix it? Or is there an app to get so I can specifically disable targeted connection devices or at least "mute" the connection attempt.
And Also, when the attempt is made it jumps to a screen asking me to enter a password. So if I'm using the phone at all, the keyboard keeps jumping up with the prompt every 30 seconds, making it impossible to do anything.

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