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Call connected - no sound in bluetooth headset or android auto

Hi all,
I was wondering if somebody could help me with my 3T.
I've noticed that when I use my bluetooth headset or when connected to the car, no sound is there when trying to make calls or receive calls. The call appears but when i answer no sound.
However, media audio works perfectly fine. Phone audio and media audio are both selected in the paired bluetooth settings.
I thought there must be something wrong with the rom I was using which was omni. I have reflashed OOS 5.0.1 but I have the same problem.
I started using Android auto in the car hoping call sound would come through as it is connected by usb. The same issue occurs. Media audio is fine. No call sound.
I have tried unpairing and pairing bluetooth devices to see if this works. Also uninstalled android auto and reinstalled.
I have tried a Galaxy S9 with android auto and the Bluetooth devices to see if the problem occurred on the S9 but everything worked perfectly.
Anyone come across this before?

Solution?
fc_Kuro said:
Hi all,
I was wondering if somebody could help me with my 3T.
I've noticed that when I use my bluetooth headset or when connected to the car, no sound is there when trying to make calls or receive calls. The call appears but when i answer no sound.
However, media audio works perfectly fine. Phone audio and media audio are both selected in the paired bluetooth settings.
I thought there must be something wrong with the rom I was using which was omni. I have reflashed OOS 5.0.1 but I have the same problem.
I started using Android auto in the car hoping call sound would come through as it is connected by usb. The same issue occurs. Media audio is fine. No call sound.
I have tried unpairing and pairing bluetooth devices to see if this works. Also uninstalled android auto and reinstalled.
I have tried a Galaxy S9 with android auto and the Bluetooth devices to see if the problem occurred on the S9 but everything worked perfectly.
Anyone come across this before?
Click to expand...
Click to collapse
have you solved your problem? you have found a solution

Having the Same problem with my one since 5.0.8 try everything i.e changing rom going back to stock even older version of android but no luck.

I had no mic during the call with wireless bullets. I think it was solved it by changing bluetooth settings in degveloper options.
bluetooth audio mode to mono, codec - SBC and other bitrates and enabled absolute volume .
Or you just have low volume in the call, which can be increased only during the call :laugh:

Sound problems while playing PUBG Mobile

I have encountered a weird problem specifically related to PUBG. When I start the app, it sometimes, randomly routs the audio to phones main speakers (the speaker primarily used for calls). Sometimes, it routs the audio through the loudspeaker even while I have connected a wired headset through adapter provided in the box.
When I connect a Bluetooth headset before starting the game, it plays extremely downgraded sound through the headset or simply uses the primary speaker (as above) as sound output, totally ignoring the bluetooth headset. Whenever this kind of problem occurs, restarting the device solves it, but on a later stage it comes back. Other applications like youtube and Google Play Music behaves as they should with all the three sound output options (Loud Speaker, Wired Headset and Bluetooth Headset). The problem occurs only with PUBG Mobile. Can anyone please provide a solution to this?

kandarpjha said:
I have encountered a weird problem specifically related to PUBG. When I start the app, it sometimes, randomly routs the audio to phones main speakers (the speaker primarily used for calls). Sometimes, it routs the audio through the loudspeaker even while I have connected a wired headset through adapter provided in the box.
When I connect a Bluetooth headset before starting the game, it plays extremely downgraded sound through the headset or simply uses the primary speaker (as above) as sound output, totally ignoring the bluetooth headset. Whenever this kind of problem occurs, restarting the device solves it, but on a later stage it comes back. Other applications like youtube and Google Play Music behaves as they should with all the three sound output options (Loud Speaker, Wired Headset and Bluetooth Headset). The problem occurs only with PUBG Mobile. Can anyone please provide a solution to this?
Click to expand...
Click to collapse
Encountered the same problem with Bluetooth headset and I fixed it by -
1) Going to world chat.
2) Pressing the voice message button for a few seconds.
3) sound stops coming for a second .
4) You get perfect quality audio after that.
PS - It only happens for me using Bluetooth headphones, not in my earbuds. And never tried phone loudspeakers while playing the game.
Actually what happens is, when the game starts, for some odd reason, your phone thinks you're receiving a call and acts accordingly. If you use any of the mic actions in the game for a second, it fixes it.

[email protected] said:
Actually what happens is, when the game starts, for some odd reason, your phone thinks you're receiving a call and acts accordingly. If you use any of the mic actions in the game for a second, it fixes it.
Click to expand...
Click to collapse
That's my concern. Do other phones also have this issue or just Mi A2 has it?

kandarpjha said:
That's my concern. Do other phones also have this issue or just Mi A2 has it?
Click to expand...
Click to collapse
Not sure. But it doesn't bother me too much.

kandarpjha said:
That's my concern. Do other phones also have this issue or just Mi A2 has it?
Click to expand...
Click to collapse
I had the same problem on Redmi 5 plus (Vince)

Bluetooth Audio Crackling

Hey guys, I've recently bought an Honor Play, really happy with the device but just got a pair of bluetooth headphones, Mixcder E7
the bluetooth audio quality is really bad and it crackles, I've tried changing the codec from the developer settings but it appears these headphones only support SBC
I doubt the codec is the reason why the audio is crackling though, does anybody have any suggestion?
(it sounds perfectly fine using the headphone jack)
Thanks in advance
Alex

alextana said:
Hey guys, I've recently bought an Honor Play, really happy with the device but just got a pair of bluetooth headphones, Mixcder E7
the bluetooth audio quality is really bad and it crackles, I've tried changing the codec from the developer settings but it appears these headphones only support SBC
I doubt the codec is the reason why the audio is crackling though, does anybody have any suggestion?
(it sounds perfectly fine using the headphone jack)
Thanks in advance
Alex
Click to expand...
Click to collapse
I would try changing any settings you can on the headphones and see what happens. For example, my headphones offer a choice of Bluetooth standards; the ability to favour sound quality over stability etc. Additionally, see if this happens away from sources of 2.4ghz noise such as microwaves. Don't surf at the same time, or try and use 5ghz WiFi.

alextana said:
Hey guys, I've recently bought an Honor Play, really happy with the device but just got a pair of bluetooth headphones, Mixcder E7
the bluetooth audio quality is really bad and it crackles, I've tried changing the codec from the developer settings but it appears these headphones only support SBC
I doubt the codec is the reason why the audio is crackling though, does anybody have any suggestion?
(it sounds perfectly fine using the headphone jack)
Thanks in advance
Alex
Click to expand...
Click to collapse
Are you already try to pair that headphone to other device to check the sound? I'm have a bluetooth earphone and the output sound is normal on my Honor Play ?

junkiespam said:
Are you already try to pair that headphone to other device to check the sound? I'm have a bluetooth earphone and the output sound is normal on my Honor Play
Click to expand...
Click to collapse
Yeah it works fine on my laptop via Bluetooth but still getting crackling sound on my phone
My headphones don't have any settings besides active noise cancelling and volume
?

alextana said:
Yeah it works fine on my laptop via Bluetooth but still getting crackling sound on my phone
My headphones don't have any settings besides active noise cancelling and volume
?
Click to expand...
Click to collapse
Try to unpair and pairing again or try to reset network settings.
Go to Settings > System > Reset
Click on Reset Network settings
Confirm Reset Settings

junkiespam said:
Try to unpair and pairing again or try to reset network settings.
Go to Settings > System > Reset
Click on Reset Network settings
Confirm Reset Settings
Click to expand...
Click to collapse
Resetting the network setting helped my headset out. I dunno bout OP tho.

Hi, I have an honor play and bought wireless headphones and I'm running into this problem as well... Have u found a solution? thanks

[HELP] Can't hear phone calls on bluetooth

Hello,
As title says suddenly I can't hear anything through my car BT (Audi) or BT headphones. It was working fine till around a week ago.
I can hear media\music just fine (for example Spotify) in both headphones and car speakers.
Bluetooth is connected correctly as usual, but I can't hear people in calls and they can't hear me too.
In car I can normally start a call with steering wheel buttons, just I don't hear anything. If I change audio output on phone to speaker or phone I ear them, if I rechange to BT silent again.
I tried another phone in my car and it's working fine.
I tried my phone in another car and same problem occurs, so it's some setting in my phone (even if I don't remember changing anything since it was working).
I'm on stock OOS 9.0.5 + Magisk.
Things I've tried by googling A LOT of forums:
1) Resetting network\BT data from Settings>Reset
2) Clearing storage and cache for the Bluetooth system app
3) Manually deleting paired devices from both my car and my phone and re-add them.
4) Played with the BT audio codec\bitrate\version\etc options in developers menu without luck.
5) Tried disabling google now, ok google feature.
6) Tried disabling device discovery for Bluetooth.
Things I take as last chance: changing kernel, clean flash.
Any suggestions?

Wired headphones have no sound after Android 10 upgrade

I have a reverse problem of https://forum.xda-developers.com/showthread.php?t=4034259.
After upgrading to Android 10, no sound comes through the wired headset (which is plugged into a usb-c to 3.5mm adapter that came with the phone). I tried two different adapters, two different headphones - same behavior. The phone shows the "wired headset" icon in the status bar, but the sound comes via the phone's speaker (low volume, one needs to put the phone to the ear to hear it).
Bluetooth headphones work just fine.
Any idea what to do about it?

Do you have magisk installed? If so, which modules installed/active? Try disabling sound-tweaking ones. Do you disabled Bluetooth A2DP hardware offload? Is simple reboot helps?

#_Android_# said:
Do you have magisk installed? If so, which modules installed/active? Try disabling sound-tweaking ones. Do you disabled Bluetooth A2DP hardware offload? Is simple reboot helps?
Click to expand...
Click to collapse
No magisk. Simple reboot didn't help. Disabled A2DP, and it seems to have fixed the wired headphones issue, thanks!
Now to check if BT still works.
Thanks again

Yep, BT still works. Thanks a lot again!

Spoke too soon.
Something is still not right with the sound. Namely, no sound when making/receiving call on the phone. Works through the BT headphones or via the speaker.