Bluetooth call issues - Redmi K20 Pro / Xiaomi Mi 9T Pro Questions & Answe

I am having issues when I am connecting my k20 pro with my car's Bluetooth for answering phone calls. The Bluetooth gets connected and music plays using Bluetooth without any issues, but the call volume output doesn't come from the Bluetooth. Has anyone else face this issue?

Anand_theGeek said:
I am having issues when I am connecting my k20 pro with my car's Bluetooth for answering phone calls. The Bluetooth gets connected and music plays using Bluetooth without any issues, but the call volume output doesn't come from the Bluetooth. Has anyone else face this issue?
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Have you installed a custom ROM, or are you on official MIUI?
I know in call Bluetooth audio doesn't work on GSI ROMs.

I am on official miui rom

Robbo.5000 said:
Have you installed a custom ROM, or are you on official MIUI?
I know in call Bluetooth audio doesn't work on GSI ROMs.
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I am in official miui rom

Anand_theGeek said:
I am in official miui rom
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I've not seen anyone else complain of this on official MIUI. Have you tried other Bluetooth devices like headsets?
I never stuck with MIUI long enough to try Bluetooth, so there's not much I can suggest.

Robbo.5000 said:
I've not seen anyone else complain of this on official MIUI. Have you tried other Bluetooth devices like headsets?
I never stuck with MIUI long enough to try Bluetooth, so there's not much I can suggest.
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I haven't tried with any other blue tooth device yet. Let me try it out.

Bluetooth sound breaks continuously while playing audio in car
When i connect my k20 pro using Bluetooth to my car audio, the music breaks continuously, i have tried with other phones but the problem is only seen in this k20 pro, i tried it in another car audio system same problem

I have also the same issue... Problem is with K20 pro.... Reset 2 times but still the problem is not resolved... Most annoying thing that Mi service center can do only Hard Reset as first and last solution...

I have no issues with the audio, issue happened only with the call functions. I suspect it to be a compatibility issue with my car. Since k20 pro has Bluetooth 5g, however my car doesn't have this.

Anand_theGeek said:
I have no issues with the audio, issue happened only with the call functions. I suspect it to be a compatibility issue with my car. Since k20 pro has Bluetooth 5g, however my car doesn't have this.
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Bluetooth is backward compatible. Like if you have a capable device, it will use all the features the host supports.
One tip: If you go into Developer Settings on your phone, you can hard-set the Bluetooth settings.

Hi I am starting to notice issue on my k20pro on calls .after call is getting connected I can hear the other person but the other person cannot hear me sometime when I connect the headphone people can hear me sometime they don't..I dnt understand where is the problem

Pratz90 said:
Hi I am starting to notice issue on my k20pro on calls .after call is getting connected I can hear the other person but the other person cannot hear me sometime when I connect the headphone people can hear me sometime they don't..I dnt understand where is the problem
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Is the issue reported by you above connected to the Bluetooth issue of this thread?

Anand_theGeek said:
I am having issues when I am connecting my k20 pro with my car's Bluetooth for answering phone calls. The Bluetooth gets connected and music plays using Bluetooth without any issues, but the call volume output doesn't come from the Bluetooth. Has anyone else face this issue?
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Click to collapse
I'm having the same issue, the audio comes from the loud speaker of the phone.
On the screen on the phone you can see that the audio is connected to the car Bluetooth, you can then select loudspeaker or normal audio , if you swap the audio to a different channel and then revert back to the car Bluetooth it is connecting correctly to the Bluetooth

I am having the same issue
I have redmi k20... Over Bluetooth music is fine, but over call the person can't hear you...
I tried everything.... Restarting my phone, pair unpair Bluetooth, even hard reset my phone... It started working for 2 calls after hard reset but it is again causing problrms

same problem here.
when I connect my K20 to my car via BT, music breaks after 2-3 songs, and car controls (next song/previous song) stop working.
also, when I connect my BT Bose headphones, sometimes sound does not come through (mic works)
anyone found a solution?

drupeyyy said:
same problem here.
when I connect my K20 to my car via BT, music breaks after 2-3 songs, and car controls (next song/previous song) stop working.
also, when I connect my BT Bose headphones, sometimes sound does not come through (mic works)
anyone found a solution?
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That sounds more like a battery optimization issue. Try turning off battery optimization AND set App battery saver to "no restrictions" for your music player.

I had the same issue with Xiaomi Redmi 9
Hard reset solved it.

Related

BLU R1 HD issues with Bluetooth HSP and Wired headsets

Hi Guys,
I have the Amazon's original version (with the ads version), and I experience the following issues.
1) Blutooth connects initially with both A2D and HSP fine, however after a disconnection, it can't connect again to HSP, only to A2D. I've seen this with x2 devices - BLU can't connect to them both after disconnection to with HSP. Only after rebooting the phone, it can connect again initaly to HSP.
2)When plugging a wired headset, I can hear through it great, and also record my own voice with voice recorder, i.e mic and headphones work. However when dialing, I can hear the other side, but the other side can't hear me. Tried with x2 different wired headset, that worked good with another phone.
I've tried searching for info on these issue, but couldn't find anything. Could you advise ?
Thanks,
Michael.
michaean said:
Hi Guys,
I have the Amazon's original version (with the ads version), and I experience the following issues.
1) Blutooth connects initially with both A2D and HSP fine, however after a disconnection, it can't connect again to HSP, only to A2D. I've seen this with x2 devices - BLU can't connect to them both after disconnection to with HSP. Only after rebooting the phone, it can connect again initaly to HSP.
2)When plugging a wired headset, I can hear through it great, and also record my own voice with voice recorder, i.e mic and headphones work. However when dialing, I can hear the other side, but the other side can't hear me. Tried with x2 different wired headset, that worked good with another phone.
I've tried searching for info on these issue, but couldn't find anything. Could you advise ?
Thanks,
Michael.
Click to expand...
Click to collapse
As far as your wired headset issue, it does not happen on my r1 or my sisters r1. Your phone may just be defective in some way. I have called people successfully using a headset
Having same issues and found that by doing a reboot or restart I can correct them. But it comes back later. Irritating!
I see this too often as well. Restarting the speaker doesn't help - I have to reboot the phone to get it working again. It's very annoying as the built-in speaker is so bad that I always want to use the Bluetooth speaker when I'm home.

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?
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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.
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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?
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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)

BT headset random disconnect

Hi
I have a P30 Pro, EMUI 9.1 .0.193 and I'm experiencing random disconnect of my BT headset during the call. I had a Voyager Legend and now a Jabra Supreme UC but the problem is still present.
Basically, during a phone call, randomly, the BT headset disconnect and the call is routed to the phone, or to another BT device.
The phone is very close to the headset to I don't think it is a problem of distance.
Does anyone have the same problem?
Thanks
Stefano
Yes, mine does the same with different headsets so I believe it is the phone, not the headset. I have to reboot my phone every week because Bluetooth will connect to my headset but only for calls, not for audio.
Sword Fish said:
Yes, mine does the same with different headsets so I believe it is the phone, not the headset. I have to reboot my phone every week because Bluetooth will connect to my headset but only for calls, not for audio.
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Click to collapse
I'm trying to understand if there is something around that could generate the problem... Random disconnections occur only when I'm at home at my desk, I have a bluetooth keyboard and mouse connected to the PC, probably there is interference. I never had disconnections when I'm outdoor or in the car...
I will try to pay more attention to this fact, maybe you can do the same to see any possible relationship of the problem with the sourrender environment.

Bluetooth headphones not working for calls

Purchased Xiaomi Note 9 (not pro or any other varient) which is running the MIUI 12 (12.0.3 stable global version). I immediately encountered an issue with the Bluetooth: I own a Sennheiser PXC 550 (original first version) headset. it connects and plays music and audio without issues until I try to make a call. when I try to call I get the following behavior: when the active noise cancelation is off' the call screen displays the audio source on the call screen as the Bluetooth but no sound or mic comes through. when the noise cancelation is set to active on the headset, the call screen shows the phone rapidly switching between audio sources from the speaker back to the headset. sometimes something goes wrong and the headset stops playing audio after the call and won't play youtube videos until I turn off the headset. I suspect its a software issue. maybe has something to do with how the phone connects to the headset mic or interacts with it. the headset is working with my older Mi Mix 2, Mi 9 (running MIUI 12.0.2), other phones, and devices including smart TVs, etc. other headsets do work.
Things I tried: enabling developer options and changing
1) A2DP to off
2) changing the AVRCP settings
3) rebooting
4) updating the firmware from 11 to 12 (automatically)
5) factory reset
6) Bluetooth cash wipe
7) connection data wipe and reset
8) other call apps
9) changing other Bluetooth settings like codecs etc
10) the problem still excited before the update from MIUI 11 to 12
11) I did make sure that in Bluetooth settings the options to control calls and media were turned on and all permissions granted.
Note, the phone wont allow to turn off A2DP hardware acceleration. the slider jumps back to on and prompts a restart.
talking to Xiaomi support didn't solve the issue. sometimes the headset loses media controls like forword' pause etc.
any ideashow to solve the issue?
Does it works with another Bluetooth Headphones?
Im having probs with my bluetooth... have u find a solution Titan?
nickelgr said:
Im having probs with my bluetooth... have u find a solution Titan?
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Click to collapse
unfortunately no, it seems it has something to do with the hardware. i have another set of headphones Jabra 65T and they do work. also the original pair works (PXC 550) but only for media controls and even then sometimes youtube won't respond. the only way I see ut of this is to change the phone or headphones.

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