Bluetooth issue - Honor 7X Questions & Answers

Hello, I'm having an issue with Mate SE's bluetooth quality. I will connect the phone to my jbl flip 3 bluetooth speaker and when music is playing, it skips, a lot. I have a bluetooth adapter in my car and when I connect my phone to that, it plays pretty well. Occasionally a skip, but bearable. Now you might say it's a problem with my speaker, when I was on EMUI 5.1 I used the phone with my speaker for an entire weekend out of town and didn't have any issues. The speaker also works fine with any of my other phones.
So it's specific to this phone, and the OS. I've tried lineage, xenonHD, and RROS, all the same problems.
I'm going to stock EMUI 8.0 to see if it persists. But perhaps this is a known issue or an issues someone has already had and can help me out.

Alright, so I'm back on EMUI8 and now the audio isn't skipping. But the audio is terrible quality. Anyone know how to fix this on custom roms?
Alright, so I'm back in RROS and was doing some trouble shooting with the bluetooth connectivity. I was messing with developer options to see if there was anything that could help, but nothing did. But I did notice something, I downloaded an app (A web browser) from the playstore and it made the skipping x100 worse while it was downloading and installing. Then it went back to average choppy.

might be something interfering with bluetooth. here i have good audio on bluetooth on custom roms, but it's a bit choppy from time to time. on emui, the issue goes away, audio is nice, no choppiness.

I've noticed degraded wifi speeds and latency when bluetooth is turned on.

Any test I did was without my WiFi turned on. It is something with the custom roms that cause the stutter with my bluetooth speaker. Hopefully it gets fixed as things get more stable.

Related

Bluetooth A2DP stutter cuts out while streaming music

I have noticed since I upgraded from GS3 to Note 3 that when I am streaming music to my car stereo the audio will skip or stutter. The song continues to play but the audio cuts out for anywhere up to a second or two. Has anyone else seen this or resolved it?
I have seen some posts that say turning off WiFi fixed it but I still get the skip, if a little less frequently with WiFi turned off.
It seems to go away if I set the developer options to keep the screen awake while charging. So it seems like the CPU clock may be too low during sleep to maintain everything else it is doing as well as audio streaming.
Any feedback is appreciated, thanks!
This happens to me too sometimes. It seems worse when I first start streaming & then it calms down a bit. But it still occasionally skips. I experienced this on my note 2 as well though, so I don't think its an exclusive issue to the N3.
This is happening 4 or 5 times per song, so it is quite annoying LOL
Zylograth said:
This is happening 4 or 5 times per song, so it is quite annoying LOL
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Stock ROM? Stock Kernel? Need more info from both of you.
Sounds like the CPU might be dropping too low when the screen is off, causing the stuttering. You could try a custom kernel with a higher screen off frequency.
Used to happen on my S2 and this was the problem...
idtheftvictim said:
Stock ROM? Stock Kernel? Need more info from both of you.
Sounds like the CPU might be dropping too low when the screen is off, causing the stuttering. You could try a custom kernel with a higher screen off frequency.
Used to happen on my S2 and this was the problem...
Click to expand...
Click to collapse
Full stock, I believe that is the problem as it is pretty much resolved when I leave the screen on. Still testing this here and there to be sure.
This has happened to me on every rom & kernel I've tried. Which is pretty much all of them for the N3, and everything from stock to CM on the N2.
Zylograth said:
Full stock, I believe that is the problem as it is pretty much resolved when I leave the screen on. Still testing this here and there to be sure.
Click to expand...
Click to collapse
I have the same problem on my GN3 international version and yes leaving the screen on WILL solve it. However, that's not a practical solution.
Try this, download Poweramp, go into settings, audio, advanced tweaks, set the audio buffer size to Large (+250ms) and audio thread priority to +2
See if that works for you. If it does, then buy the full version even though I like the timbre effect and bass on the stock music player but this is the only solution, so far.
Zylograth said:
I have noticed since I upgraded from GS3 to Note 3 that when I am streaming music to my car stereo the audio will skip or stutter. The song continues to play but the audio cuts out for anywhere up to a second or two. Has anyone else seen this or resolved it?
I have seen some posts that say turning off WiFi fixed it but I still get the skip, if a little less frequently with WiFi turned off.
It seems to go away if I set the developer options to keep the screen awake while charging. So it seems like the CPU clock may be too low during sleep to maintain everything else it is doing as well as audio streaming.
Any feedback is appreciated, thanks!
Click to expand...
Click to collapse
What headunit? I run Kenwood KDC-X995, and never had an issue with it cutting out. THe headunit wouldn't display track info though. The way I fixed this is connecting via the Stock Samsung media player., Everything has been a dream since
I had this problem and it just went away after a few reboots and some time. ..
Sent from my SM-N900T using XDA Premium 4 mobile app
A2DP loss
Note 3 Owner here. Rooted with stock ROM and stock kernel. (T-Mobile)
Experiencing intermittent Bluetooth audio loss as well.
Just contributing to the list.
-Steven M
BTW, what player are y'all using? In power amp there is an option for keep service awake if music.stops while.playing with screen off. And there is also option to use a wake lock also. I am not having any problems nor have I ever so I can't help. The only other suggestion I have is maybe your radio Bluetooth sucks. I went through a period of testing many Bluetooth headset and receivers a couple years ago. Needed something good to listen to my music while I rode my bike. Many of the Bluetooth I tested were very sensitive to the bumps and vibration while riding hard on my mountain bike. The only solution for those were to put receiver right next to my phone. Being in my pocket was too far away or something. I ended up sticking with Sony mw600 as all purpose. It could take any headset, and I was able to use it as a receiver in my truck as it didn't have Bluetooth. Now I also have a Honda civic with built in Bluetooth and all is well. My Sony mw600 oled stopped working though so in on lookout for a nice apt x receiver.
sent from my sm-9005.
I am using a Sony DSX-S300BTX and have had no previous issues with my HTC Sensation 4G or my Galaxy S3. It only started when I got my Note 3. I use Google Play Music with the All Access service.
Just an update on this. Over the weekend I did a factory reset and this time I did not let it restore settings and apps from my Google account. I went through and installed all the same apps i was using before. And so far I have only noticed 1 stutter/cut out since then. And if I am correct, this only happened when I was leaving my house and it switched from Wifi to 4G LTE on the stream.
Will continue to monitor and see if the issue comes back. But so far I am rather happy.
Xupack said:
I have the same problem on my GN3 international version and yes leaving the screen on WILL solve it. However, that's not a practical solution.
Try this, download Poweramp, go into settings, audio, advanced tweaks, set the audio buffer size to Large (+250ms) and audio thread priority to +2
See if that works for you. If it does, then buy the full version even though I like the timbre effect and bass on the stock music player but this is the only solution, so far.
Click to expand...
Click to collapse
Trying this recommended app/setting combination, and hope that the skipping stops on the A2DP connection in the car. *crosses fingers*
hctimin said:
Trying this recommended app/setting combination, and hope that the skipping stops on the A2DP connection in the car. *crosses fingers*
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Click to collapse
I came from the Note 2 to the Note 3 and I'm fearing that it's 4.3 that is causing the bluetooth intermittent issue. Whether or not I stream from Pandora or my music player, I get the stutter. Doesn't matter what ROM I use between hyperdrive and beans too. Someone said it could be the adblock that is causing the stutter but I don't have that installed at all. Getting pretty frustrating.
Ended up not working for me,...but keeping the screen on did seem to eliminate the skipping.
Wonder if there's anyway to force Bluetooth not to sleep,....
Deekayy said:
I came from the Note 2 to the Note 3 and I'm fearing that it's 4.3 that is causing the bluetooth intermittent issue. Whether or not I stream from Pandora or my music player, I get the stutter. Doesn't matter what ROM I use between hyperdrive and beans too. Someone said it could be the adblock that is causing the stutter but I don't have that installed at all. Getting pretty frustrating.
Click to expand...
Click to collapse
I ONLY get the stutter when using the stock music player. It never happens when using, for example, TuneIn Radio.
I exchanged 2 Note 3's. The first one had the stutter problem so I returned it. The second one had NO stutter problems but overheated from time to time, exchanged as well. The third one doesn't over heat but, unfortunately, has the stutter problem. So, I just gave up. The PowerAmp solution works for me, though.
---------- Post added at 07:35 AM ---------- Previous post was at 07:19 AM ----------
hctimin said:
Ended up not working for me,...but keeping the screen on did seem to eliminate the skipping.
Wonder if there's anyway to force Bluetooth not to sleep,....
Click to expand...
Click to collapse
Sorry to hear it didn't work for you.
Someone mentioned increasing the minimum CPU frequency and that would solve it. Try upping it to 400Mhz see what happens but this will definitely drain your battery more than usual.
Deekayy said:
I came from the Note 2 to the Note 3 and I'm fearing that it's 4.3 that is causing the bluetooth intermittent issue. Whether or not I stream from Pandora or my music player, I get the stutter. Doesn't matter what ROM I use between hyperdrive and beans too. Someone said it could be the adblock that is causing the stutter but I don't have that installed at all. Getting pretty frustrating.
Click to expand...
Click to collapse
The same thing happened to me on the note 2.... actually the n3 isn't as bad as the n2 was. Fwiw
sent from my ??????? note 3?
SO I have started to notice that it isn't actually the stream stuttering, but a short disconnect of the bluetooth. I noticed that when the music cuts out, it also drops the media connection to my car stereo, in that the artist and song title disappear until the connection comes back. Seems like a bad bluetooth stack or something as I tested a Nexus 5 and do not have this issue at all. And I never had a problem on my GS3.
Hopefully the 4.4.2 update will resolve this issue. Whenever that may be...
I have this problem as well, (stock rom rooted, stock kernel) I use power amp. now however I cant stream my music through bluetooth at all, but when a call comes in, it streams. Doing a little digging into my phone, my N3 seems to think im in a call, and only plays my music through the speaker for your ear. it only started a few hours ago. even when I am not connected to bluetooth, it still plays music through the same speaker. tried uninstall reinstall. I did update apps earlier when I got home (ove wifi). once they were done, that seems to be when this issue started.
any help/suggestions?

[Q] Bluetooth audio issue on stock 4.3

Really annoyed at myself for taking the upgrade to 4.3 as now I have an issue with bluetooth that I cannot figure out. Bluetooth audio to my reciever was perfect before but now it has the same problem no matter what app i use (tune in, xiilive, standard media player etc)
Basically the phone sends the audio but the speed varies. Like a song will play normal speed, then maybe speed up for a second, then the audio cuts out for half a second and its back to normal again. This will stream fine for maybe 5 seconds and again, any audio will speed up a bit, and cut out. Its only happened since 4.3. Anyone else have this problem or know of a way to fix it?
Well a bit of an update on this. It turns out it doesnt skip with music thats on the phone. So the stock media player and mp3s etc stream totally fine. Its just with audio that is streamed via apps like winamp, Xiilive, Tune in. They all have exactly the same problem as described above. However, the only way I can get it to stop skipping and run normally is if the screen is on and I am in the Wifi networks setting page. Its fine then, until the screen goes off, then it starts to skip again. This is so annoying now. Is it an android issue? Not connected to bluetooth through normal headphones or the Note 2 speaker, all these apps are perfect.

VS985 CM13 Audio Issue and Other General Questions

I have the latest version of CM13 on my Verizon LG G3. I don't remember when exactly this started, but it was recent. Any audio through the headphone jack makes strange noises. It started out at as white noise, very quiet, and as far as I could tell, only around when audio was not playing. Now it has progressed to being quite a bit louder, with the most annoying addition being the crackling/distortion/chirping sound that plays along with any audio, even louder than the audio when above 3 clicks of volume. It sounds very similar to a blown transducer in my earbuds or headphones. That noise switches ears at random, though never during listening. There is also an extremely loud popping noise when I turn the equalizer on or off. I have fresh installed CM13 and that didn't help. I know all of this is an issue with CM13 because I tried two other ROMs today, the latest version of Skydragon and XenonHD, the former lollipop and the latter marshmallow, and neither made those noises. (Neither of which I can use by the way, because I couldn't get either to realize I had a SIM card). I also tried all of the same headphones on other devices, and no noise. I'm open to either a fix for the audio issue, a fix for either of those other two ROMs so that I can just switch to one of those, or even a third ROM you know that actually works, but I'd like best to fix CM13. Aside from all that, Mortal Kombat X runs really laggy on my phone. How could I get it to run better? I score 47,000 on the new Antutu, what is the highest possible with my device? I don't want to get into overclocking, because the game already near melts my phone after a while and eats battery, but I'd be interested in hearing about what's possible with it anyway, along with other methods of speeding up. I've also been interested in dialing screen resolution down to 720p, which would help the problem and save battery, but I haven't been able to find a method that works. Thanks for reading if you got this far!
I'm having the same issue.
Fresh install of cm13. Only when the audio Is playing, and every time I start and stop the audio, it makes a loud pop.
This is a software issue, is there a fix soon?
sinding2000 said:
I'm having the same issue.
Fresh install of cm13. Only when the audio Is playing, and every time I start and stop the audio, it makes a loud pop.
This is a software issue, is there a fix soon?
Click to expand...
Click to collapse
No idea, that's what I'm asking. I fresh installed too. I have a really loud pop when turning on or off the equalizer, which I forgot to mention.
I've had the headphone issue for at least a few weeks on the CM13 nightlies. Flashing the 777 kernel (R22) fixes it for me, so it must me an issue in the CM13 kernel.
http://forum.xda-developers.com/lg-g3/development/kernel-777-kernel-t3003115
sparesr4sissies said:
I've had the headphone issue for at least a few weeks on the CM13 nightlies. Flashing the 777 kernel (R22) fixes it for me, so it must me an issue in the CM13 kernel.
http://forum.xda-developers.com/lg-g3/development/kernel-777-kernel-t3003115
Click to expand...
Click to collapse
This worked, thank you.

Bluetooth music stutter

I've had some stutter with music playback through my bluetooth speakers. I have 3 and it happens with all of them. I have a subscription to Spotify and noticed it there. I tried Play Music and it stuttered too. I put a few albums on the phone to see if that made a difference but it didn't. It's not bad, just here and there but enough of a problem that I'm not going to put up with it. I did a reset but that didn't help. If it's a bad phone, I'll return it. I would think if others have had a problem I'd see someone commenting on it. Has anyone listened to music via bluetooth and had either an occasional stutter or a smooth experience? I've used the speakers with my Moto X and they've been good so I know they are ok. I appreciate any comments. I love the phone but need my BT tunes.
I've never used Bluetooth and have not had an issue here or there. It happens with every device out there. It comes with the territory of using Bluetooth.
AndrasLOHF said:
I've never used Bluetooth and have not had an issue here or there. It happens with every device out there. It comes with the territory of using Bluetooth.
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Click to collapse
I have to disagree, my xperia z3 was awful for this. So far I have not had any issues with my Pixel XL and I use it for my 1 hour commute twice a day aswell sporadically throughout the evenings/weekend. Could range be an issue for you? or perhaps a crowded 2.4GHz band?
I have the same issue. I just assumed it was the crappy headphones I use. It happened on the 6p I had. Seems it happens mostly when I put my hand on the glass window like I'm causing interference
Mdizzle1 said:
I have to disagree, my xperia z3 was awful for this. So far I have not had any issues with my Pixel XL and I use it for my 1 hour commute twice a day aswell sporadically throughout the evenings/weekend. Could range be an issue for you? or perhaps a crowded 2.4GHz band?
Click to expand...
Click to collapse
Thanks for the reply, my phone is a few feet from the speaker and there is a stutter every few minutes. I'm at home, not a lot of network traffic. Apparently not a problem with others judging by the lack of comments. Thanks again.
If you have any xmas lights or similar (we have decorative LEDs) close to your speakers or between your phone and the speakers these can have an affect. I had to move my WiFi hub last Christmas as the Xmas tree was causing havoc!
dmb219 said:
I've had some stutter with music playback through my bluetooth speakers.
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Click to collapse
I have the same issue. Rare but it does exist. This phone or the O/S is noted for B/T issues.
I have SkullCandy headphones and a 2015 Huyndai Veloster Turbo and it happens on both.
dmb219 said:
I've had some stutter with music playback through my bluetooth speakers.
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Listening to music on BT headphones.
I've got a Huawei watch attached over BT. As long as I don't add a 3rd device playback is fine for me.
If I add a 3rd device, typically either a Mac or PC (e.g. Surface) then every 30 seconds or so there will be a stutter. Even though those devices aren't sending audio, there is enough chatter to cause an issue.
Yep - BT audio skips with my BT headset and 3 different BT speakers. All of these BT devices worked perfectly with previous phones, and I listen to music quite a bit, so it's truly a accurate comparison.
I have contacted Google and they have only suggested the most obvious things - none of which had any affect. Tossing cache, tossing all pairing and re-pairing. Latest was a Factory Data Reset and I just don't have the time for that now. Other Pixel owners report that same BT issues - some with pairing (which I don't have) and skipping/dropping signal.
I've found that 2 of the 3 speakers I have stutter, the ue seems to be OK. My son's Pixel had the same issue so it's not a bad phone. I guess I need to decide if I'm going to put up with it or not.
A cheap chromecast audio would fix this for you
I've noticed similar issue. Bluetooth stuttering. S7 never did it. Pixel xl does. Reboot phone fixes it for a while.
Might be Spotify memory leak. Not tested if Google Play also does it but will test that.
Same issue here with the bluetooth in my car
I have noticed the same problem a couple times, I cannot pin it down. I though it was the speaker, which is a fairly cheap one. I will test it more and see if I can find a pattern?
I just think BT for Android needs to be worked on. Same behavior on Nexus devices.
As someone pointed out a while ago, turning off wifi seems to stop the stutter. That causes you to keep an eye on your data use though. Hoping for a fix.
I will try that but I stream music a lot, that would seem to run up a lot of data.
dmb219 said:
As someone pointed out a while ago, turning off wifi seems to stop the stutter. That causes you to keep an eye on your data use though. Hoping for a fix.
Click to expand...
Click to collapse
Okmed said:
I will try that but I stream music a lot, that would seem to run up a lot of data.
Click to expand...
Click to collapse
Yea, that's not a very good solution.
My old headphones were BT4.0. the new ones I just got are 4.1. so far my newer ones dont stutter when I cover the glass. I still get some stutter here and there but i think that's just interference.
I have not experienced any issues with stutter or connectivity when streaming to my Lexus GS and paired to my LG watch - while using GPS/Navigation/Waze. I came from the HTC 10 which had MAJOR issues with this combination.
-Pixel XL (NDE63V)
edit: spelling

Bluetooth audio stutter/skipping

This is incredibly frustrating. I had none of these issues with bluetooth on my S8+ whatsoever.
So one annoying thing that stood out was the bluetooth on this device. It keeps skipping and stuttering tracks whenever I play it on my Bose QuietComfort 35. It's normal on all my other wired cans but I usually use the QC35 alongside my phone during commutes.
Just to clarify, I'll list down all the "fixes" that I've tried. Obviously NONE of them fixed, or even alleviated the problem.
Cleared cache (this one just doesn't make sense imo)
Removed battery optimization on my music apps
Turned off WiFi & Bluetooth scanning
Switch Bluetooth audio codecs
Updated to 4.7.6
and PLEASE... if you DON'T have this problem, do NOT post how you DON'T HAVE THIS PROBLEM here, I'm looking for fixes, not jokes. Thank you.
I also have a QC35 and I don't have any issue but I post anyway
Joking aside I'm using 4.7.6 and my QC35's firmware is 1.3.4 and using the HBC codec.
What's your bose firmware ?
What do you use as a music player ? (I'm using the default Google Play music)
And what do you mean my "It's normal on all my other wired cans" ? Why would wired headphones have stutters ?
raptor2003 said:
I also have a QC35 and I don't have any issue but I post anyway
Joking aside I'm using 4.7.6 and my QC35's firmware is 1.3.4 and using the HBC codec.
What's your bose firmware ?
What do you use as a music player ? (I'm using the default Google Play music)
And what do you mean my "It's normal on all my other wired cans" ? Why would wired headphones have stutters ?
Click to expand...
Click to collapse
Everything's the same as you except I use PowerAmp as my music player and SoundCloud for streaming (both stutters/skips as well). I stated that I didn't have this problem on my wired headphones just to clarify.
I notice the problem most when I'm commuting and I have mobile data turned on. It went even more haywire when I downloaded something on Google Drive. Hopefully it gets addressed with Android Oreo and the official Bluetooth audio codecs being implemented.
Oh bad me I read the you said it was normal to have stutters while being red... Night too short.
I'll trying PowerAmp to see how it goes.
raptor2003 said:
Oh bad me I read the you said it was normal to have stutters while being red... Night too short.
I'll trying PowerAmp to see how it goes.
Click to expand...
Click to collapse
I think it has something to do more with the connections. It goes even bonkers when I'm moving around rather than laying in one place.
EpsilonT51b said:
This is incredibly frustrating. I had none of these issues with bluetooth on my S8+ whatsoever.
So one annoying thing that stood out was the bluetooth on this device. It keeps skipping and stuttering tracks whenever I play it on my Bose QuietComfort 35. It's normal on all my other wired cans but I usually use the QC35 alongside my phone during commutes.
Just to clarify, I'll list down all the "fixes" that I've tried. Obviously NONE of them fixed, or even alleviated the problem.
Cleared cache (this one just doesn't make sense imo)
Removed battery optimization on my music apps
Turned off WiFi & Bluetooth scanning
Switch Bluetooth audio codecs
Updated to 4.7.6
and PLEASE... if you DON'T have this problem, do NOT post how you DON'T HAVE THIS PROBLEM here, I'm looking for fixes, not jokes. Thank you.
Click to expand...
Click to collapse
I think I saw somewhere it's an issue with aptx HD, try to force Bluetooth codec in advanced settings to aptx or sbc.
vkass said:
I think I saw somewhere it's an issue with aptx HD, try to force Bluetooth codec in advanced settings to aptx or sbc.
Click to expand...
Click to collapse
I just said that switching Bluetooth codecs didn't work.
I'm having Bluetooth quality issues as well, particularly crackling and skipping. I noticed that if I download a file while streaming the quality will drop dramatically and the audio stream will crackle like crazy. I have tried all three codecs in nougat to no avail.
Should I upgrade to Oreo to get this sorted? Do custom kernels cause issues with the quality?
Thanks.
OnePlus 5t, theOne 7.1.1 (stock basically), viper4arise and Dolby
Update: when into EX Kernel Manager (specifically under the misc I/O settings), and change the I/O from ZEN to FIOPS. Not once has the music stuttered since, though I have only tested on SBC. If I get more results I'll bring them in.
Please note - I am on blu_spark, and I honestly do think it may have been the cause of the bluetooth skips/scratchiness. I turned off Dolby Atmos and Viper just to be sure.
Latest Oreo Beta build. Stream bluetooth, Pandora, iHeart and talk on the hands free no problems here. Lexus CT200h vehicle.
Would really check your cars manufacturer website. Most have a section where you can download latest firmware to a USB and flash your car to ensure you have the latest bluetooth firmware.
Working flawlessly on my car.
Anyone have any experience with the Oreo update?
Since updating to 4.7.6, I've experienced the following issues:
despite being connected to a bluetooth device, sound still comes out of phone speakers
static/distortion for a few minutes when initially connected to my car (2017 Chevy SS)
Upon connecting to car bluetooth, randomly the phone will call my phone number
I can usually fix these issues by either going into airplane mode for a minute or two or rebooting. Sometimes, I have to do this multiple times.
I've cleared cache but made no difference and I don't want to have to factory reset after every single update. Is it possible to flash factory images without nuking your data? You can do this with Google's Nexus/Pixel factory images.
I've got a different problem with 8.1 and BT audio. After upgrading to android 8.1, suddenly my car audio system doesn't receive songs data (artist, song, album). It's just display "no title".
Does anyone encountered similar issue?
raven6679 said:
I've got a different problem with 8.1 and BT audio. After upgrading to android 8.1, suddenly my car audio system doesn't receive songs data (artist, song, album). It's just display "no title".
Does anyone encountered similar issue?
Click to expand...
Click to collapse
Ugh, exact same issue. I don't suppose you're using a car with a UConnect system in it? Dodge, Jeep? All those crappy brands?
I am able to make phone calls just fine but I can't stream audio to save my f**king life. This happened right after the upgrade to 8.1 and latest update did nothing to fix this nor did it mention the issue. Has Oneplus even acknowledged the issue?
Im actually having the same exact issue, with Uconnect on a 2017 Chrysler 300s. Bluetooth skipping and sounds like crap. Have tried pretty much everything so far and no fixes
this what happen to me ...bluetooth to speaker klipsch ... sometimes got crack sound ...i mean wtf
Has anyone been able to figure this out? I'm still experiencing issues as well. OP5T and QC35.
I've been working OP support for almost 2 months via email and the cannot figure out how to fix this for be BT CALLS sound terrible,
I'm having problems with Bluetooth in a ford fiesta 2015. The phone is on 8.1.0 stock, no root. The device itself connects to the car perfectly, but fails to download the phone book, and says I loose signal when trying to make a call. The device registers that I've asked to call a certain person but nothing else happens afterwards.
I didn't have this problem on 5.0.4

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