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[Q] Bluetooth handsfree problem

I have a Sony bluetooth head unit in my car which supports handfree and audio streaming profiles. I can play my music through the head unit just fine via bluetooth. I can also make and receive calls without problem when I am listening to the radio (ie when I am not listening to my own music). However, when I am playing my own tunes and I either make or receive a call, the head unit indicates I am on a call, it mutes the music but I just get silence through the speakers.
I used to have a Galaxy S Advance and it all worked just fine without too much configuration on the phone or head unit; basically just pair them up, make sure the right boxes are ticked in the bluetooth options and thats it.
Any idea what the problem could be? I've tried an upgrade to 4.2.2 but it didn't help...

Hi,
I have a similar problem. I can pair my s2 plus with cm11 from this thread to my car kit (Parrot MKi 9200). Playing music via phone on the car speakers works fine but when I place a call the receiving phone just gets loud static (and my voice very very silent).
I wanted to ask the developer of the cm11 I am using if he sees a way to exchange the bluetooth module (or what androis equivalent is) to the one of e.g. Android 4.1.2 because I know that one works perfectly. I am posting here because I havent reached 10 posts yet.
Of course I am open to other workarounds and ideas.
Thanks,
Kiesel

Bluetooth
Same issue here,
everything (music etc.) is okay, but the phone connection.
I'm connecting to my Ford Sync.
I can connect, but then the quality of the voice is very very bad, I can hardly understand anything...
I thing there's a configuration file in the etc/ folder, maybe that need some upgrade?!?
Hope someone can help, because I really like to keep CM11 on my phone...
Dan

This is a known problem wich has been asked 100 times before
Sent from my GT-I9105P using xda app-developers app

safariking said:
This is a known problem wich has been asked 100 times before
Sent from my GT-I9105P using xda app-developers app
Click to expand...
Click to collapse
How is this message supposed to be of any help? Of course we know that. We have seen a lot of threads. I have read the whole bug report including all the comments on googlegroups, I have browsed dozens of websites and googled my ass of. What I didnt find was an explanation (at this point I dont expect to find a fast solution anymore). After reading the googlegroups bug call I thought it was a problem with the bluetooth stack that apparently is being redeveloped by google. But here cooldevelopment said it isnt a google problem.
I fully understand that it must be annoying for you to see this question a million times but please understand, that it is also annoying (and unsatisfactory) to not know whats going on.

DeKiesel said:
How is this message supposed to be of any help? Of course we know that. We have seen a lot of threads. I have read the whole bug report including all the comments on googlegroups, I have browsed dozens of websites and googled my ass of. What I didnt find was an explanation (at this point I dont expect to find a fast solution anymore). After reading the googlegroups bug call I thought it was a problem with the bluetooth stack that apparently is being redeveloped by google. But here cooldevelopment said it isnt a google problem.
I fully understand that it must be annoying for you to see this question a million times but please understand, that it is also annoying (and unsatisfactory) to not know whats going on.
Click to expand...
Click to collapse
I know what you mean but i think the best method now is to wait until cooldev find a solution to this

As this is a bluetooth problem topic, i just want to ask one question. Can't use the CM 11 and ROM's based on it, because the sound problems with connection in my car. So back to stock ROM. I flashed the cooldev's kernel to get a better battery life, but after flashing, bluetooth makes the same problem as CM. Do you guys have the same issue?

kidmanis said:
As this is a bluetooth problem topic, i just want to ask one question. Can't use the CM 11 and ROM's based on it, because the sound problems with connection in my car. So back to stock ROM. I flashed the cooldev's kernel to get a better battery life, but after flashing, bluetooth makes the same problem as CM. Do you guys have the same issue?
Click to expand...
Click to collapse
Hmm, interesting. I will try this out as well. Might probably be a week though, I am leaving for holidays tonight and cant risk making my phone unusable. Maybe somebody else is willing to give it a try?

kidmanis said:
As this is a bluetooth problem topic, i just want to ask one question. Can't use the CM 11 and ROM's based on it, because the sound problems with connection in my car. So back to stock ROM. I flashed the cooldev's kernel to get a better battery life, but after flashing, bluetooth makes the same problem as CM. Do you guys have the same issue?
Click to expand...
Click to collapse
Thanks now i know where to search the problem.

Hi,
here is a logcat of a bluetooth connection during a call on stock rom/stock kernel.
What I did:
-start logcat
-start bluetooth
-chose a contact
-call contact-
-talk for a minute
-hang up
-stop logcat
I then wanted to flash the mosh kernel and do the same again but the last time I checked there wasnt this huge plethora of different kernels to choose from. Very impressive work!
Could you tell me which one you would like me to flash and I would then redo everything?

Hi,
I tried installing mosh kernel 1.8 and 1.85 (for stock, init.d enabled) on sazy rom but it didnt boot. It stayed at the very first screen you get when you turn the phone on. I then installed your cm11 build8, connected via bluetooth to my car and had someone call me.
Attached is the logcat.
Do I need the samsung stock rom for mosh kernel? I thought sazy rom was a stock rom?

Mic not working during call

I've been experiencing a very frustrating issues where the mic is not working during phone call. I can hear the the other person but they cannot hear me, and if they can it's very very low, so low that they can't make out what I'm saying.
However, the microphone does work again if I go to speaker-phone mode. So i know the Mic itself is working (sound recorder works also).
I think somehow the phone thinks a headset is plugged in and disable the mic unless I'm on speaker-phone mode.
I don't think it is a ROM issues as I have tried a large number of different ROMS, including flashing stock OPO image. None worked.
If anyone know a solution to this issue please help me out. It's very frustrating that I can't make phone calls and have to turn on speaker-phone or use a headset.

Try a different Kernel, had the problem with my 3 different Headsets, i tryed the same ROM with some different Kernels and with the AK Kernel everything worked fine...not with the Furnace! Also try to flash UKM over a Custom Kernel. Check out the AK Kernel there you can find everything you need. If you have done everything right as in the "manual" open up Synapse...there is a point called "Sound", there you can find the point "Microphone", volume it up and try again. if its still not working make a full wipe that your device loses all data and reinstall the original CyanogenMod 11s with this tool here or any tool you want!
http://forum.xda-developers.com/oneplus-one/development/oneplus-one-toolkit-manudroid19-gui-t2807418
If its still not working delete again everything with the tool, install the CM11s with this tool again, install the CWM Recovery, flash the crDroid Rom (best ROM and everything works for me!), flash GAPPS, flash AK Kernel and last flash UKM!
This is my current setup and everything is working
ROM: http://forum.xda-developers.com/oneplus-one/development/rom-crdroid-v1-t2827599
Kernel: http://forum.xda-developers.com/oneplus-one/orig-development/kernel-ak-t2832168
Recovery: http://forum.xda-developers.com/showthread.php?t=2780894
UKM: http://forum.xda-developers.com/attachment.php?attachmentid=2913442&d=1409088319
Let me know if it worked

EasyGoingXD said:
Try a different Kernel, had the problem with my 3 different Headsets, i tryed the same ROM with some different Kernels and with the AK Kernel everything worked fine...not with the Furnace! Also try to flash UKM over a Custom Kernel. Check out the AK Kernel there you can find everything you need. If you have done everything right as in the "manual" open up Synapse...there is a point called "Sound", there you can find the point "Microphone", volume it up and try again. if its still not working make a full wipe that your device loses all data and reinstall the original CyanogenMod 11s with this tool here or any tool you want!
http://forum.xda-developers.com/oneplus-one/development/oneplus-one-toolkit-manudroid19-gui-t2807418
If its still not working delete again everything with the tool, install the CM11s with this tool again, install the CWM Recovery, flash the crDroid Rom (best ROM and everything works for me!), flash GAPPS, flash AK Kernel and last flash UKM!
This is my current setup and everything is working
ROM: http://forum.xda-developers.com/oneplus-one/development/rom-crdroid-v1-t2827599
Kernel: http://forum.xda-developers.com/oneplus-one/orig-development/kernel-ak-t2832168
Recovery: http://forum.xda-developers.com/showthread.php?t=2780894
UKM: http://forum.xda-developers.com/attachment.php?attachmentid=2913442&d=1409088319
Let me know if it worked
Click to expand...
Click to collapse
No luck here. : /
I've tried everything from flashing different ROMs to flashing different kernel. I even went back to factory reset, lock/unlock bootloader to wipe device. None of that work. Very frustrating. I'm starting to think it's a hardware issues, since trying out that many ROMs didn't help at all.

Did you informed oneplus already?

EasyGoingXD said:
Did you informed oneplus already?
Click to expand...
Click to collapse
Yep, filed a support/warranty request. But god knows how long it'll take for them to get back to me. There's no phone number support or anything. : /

neyurt said:
I've been experiencing a very frustrating issues where the mic is not working during phone call. I can hear the the other person but they cannot hear me, and if they can it's very very low, so low that they can't make out what I'm saying.
However, the microphone does work again if I go to speaker-phone mode. So i know the Mic itself is working (sound recorder works also).
I think somehow the phone thinks a headset is plugged in and disable the mic unless I'm on speaker-phone mode.
I don't think it is a ROM issues as I have tried a large number of different ROMS, including flashing stock OPO image. None worked.
If anyone know a solution to this issue please help me out. It's very frustrating that I can't make phone calls and have to turn on speaker-phone or use a headset.
Click to expand...
Click to collapse
Hi,
unfortunately I have the same problem. I've tried to fix it even modifying the system/etc/mixer_paths.xml but nothing works (http://forum.xda-developers.com/one...icrophone-ok-google-low-t2805568/post53914918). I noticed when that changing the values of hph-mic and anc-mic to 0, then handsfree mode doesn't work neither. Therefore we have clues to think the main mic is which has the problem.
Curiosly, I do not have had this issue out of the box, I think it began after 30O update. However I've downgraded to 25R and the issue remains.
I hope you the best luck
Regards

neyurt said:
I've been experiencing a very frustrating issues where the mic is not working during phone call. I can hear the the other person but they cannot hear me, and if they can it's very very low, so low that they can't make out what I'm saying.
However, the microphone does work again if I go to speaker-phone mode. So i know the Mic itself is working (sound recorder works also).
I think somehow the phone thinks a headset is plugged in and disable the mic unless I'm on speaker-phone mode.
I don't think it is a ROM issues as I have tried a large number of different ROMS, including flashing stock OPO image. None worked.
If anyone know a solution to this issue please help me out. It's very frustrating that I can't make phone calls and have to turn on speaker-phone or use a headset.
Click to expand...
Click to collapse
Cynogen 11s team is working to add support for CTIA headphones soon. See my post in similar thread (http://forum.xda-developers.com/showpost.php?p=55186894&postcount=25)

OK figured it out I uninstalled the latest hangouts update and made and received several calls all seems to be ok now

Is there any update regarding this issue? I still have this mic problem during calls and no clue on how to fix it.

OPO microphone problem is a hardware problem
Same problem here.
One morning main microphone in my OPO died - no one can hear me during call.
Recording sound with main mic gives some barely audible sounds.
tried reboot/factory defaults /root with fixing mixer paths - to no avail
The only solution is to call with speakerphone or bluetooth headset or normal headset.
Looks like hardware problem. Sadly OPO support sucks.

Jojo_1 said:
Same problem here.
One morning main microphone in my OPO died - no one can hear me during call.
Recording sound with main mic gives some barely audible sounds.
tried reboot/factory defaults /root with fixing mixer paths - to no avail
The only solution is to call with speakerphone or bluetooth headset or normal headset.
Looks like hardware problem. Sadly OPO support sucks.
Click to expand...
Click to collapse
I have a similar problem. Did you find a fix? I did everything. Restarted, ROM changed and everything!

As I wrote - no fix - IMHO it is a hardware fault. Still waiting for response from OPO support in hope for receiving RMA.

I am also thinking to return the phone because of this issue.

Just adding that I also have this problem - phone was working fine until yesterday.
Now mic is extremely quiet in call, unless I switch to speakerphone then it works fine (Video recording sound is fine also, but Google speech to text etc is not working)
I installed Swiftkey last night but I think its unrelated

Has anyone found any solutions for this problem yet?

Yes, I sold the phone!

:laugh:

L1ndon said:
Has anyone found any solutions for this problem yet?
Click to expand...
Click to collapse
I´ve opened a ticket. I advice to do the same.
- They will send you a link, with the ZIP-file in this link you have to reflash the rom. But probably it won´t work.
- Then tell them that it doesn´t work (of course only if it doesn´t work).
- Apply a RMA request
- Send them your ONE
- Receive an new one.
I´m waiting for the TNT courier, at the moment.

same problem here. No response from support. now recently even the emails to [email protected] are bouncing back with error, cannot deliver your email to the address.

So.. I'm having the same problem now..
I can't even submit a RMA, as I bought the phone from a person without the invite - so I have the receipt and everything, but when trying to submit the RMA, I have to select the order - Which I have none of, isn't that just wonderfull?
Did any of you find a solution?
I've had Samsung GS3 and GS4 with almost the same issues now and it is killing me, my will to keep living with these problems are close to none...

Bluetooth wont answer incoming calls only?

Its always worked updated to Cm11 and now Bluetooth won't answer incoming calls. It picks up just no audio at all and they can't hear me. I place a call through the car or play music they work fine. Did a factory reset and install the latest build for Parandroid. Same issue. Now titanium did do a restore. Would this happen to bring something across if it was buggy on the bluetooth? I can make calls and control everything through the dashboard but just cant answer incoming calls. Tried another phone and works just fine. Anyway suggestions?

Lots of people with CM or ROMs based on CM are having this problem. check the development topics for Cm11, mastodon, aicp, Slim among others. Word is a developer has figured out the problem. Others have changed basebands and solved their problem, while others continued to have the problem. I ended up switching from aicp to liquidsmooth and I now can receive calls via Bluetooth.
Sent from my Nexus 7 using XDA Free mobile app

GeekShriek said:
Its always worked updated to Cm11 and now Bluetooth won't answer incoming calls. It picks up just no audio at all and they can't hear me. I place a call through the car or play music they work fine. Did a factory reset and install the latest build for Parandroid. Same issue. Now titanium did do a restore. Would this happen to bring something across if it was buggy on the bluetooth? I can make calls and control everything through the dashboard but just cant answer incoming calls. Tried another phone and works just fine. Anyway suggestions?
Click to expand...
Click to collapse
I too am having the same problem using CM11 M10 on an S3 LTE. Also had the problem on M9. Please share any solution that you find works.

Folks having probs with incoming calls and any other incoming Bluetooth issue (eg music through external speaker) while on CM11 or CM11-based ROM (eg. AICP, Spirit). My understanding is that CM11 developers have determined the cause of the prob (related to the kernel) and that they are pushing down a fix in the current or upcoming updates.
You can also solve the problem by switching to a different kernel (this is the path I took with Spirit ROM... I switched to current BMS kernel). Make sure to use the correct kernel for your device.

Mic not working for voice calls (works for google voice search and speakerphone) Mi4i

Hi all,
I'm having a problem with my mi4i when I have voice calls the microphone doesn't register any sound. It works fine on speakerphone and on doing recordings which leads me to believe this is software and not hardware.
I've tried removing the google voice detection stuff by inhibiting it, as i saw elsewhere this was a problem. I couldn't find any options about noise cancellation which may be malfunctioning.
I'm currently using the most up to date MIUI rom (MIUI 7.0.3.0, android version 5.0.2 LRX22G, kernel 3.10.49) but was previously using the ressurection remix. Both times I had the same problem; I was hoping that with the update to the latest MIUI it would fix this problem, but alas it hasn't.
If anyone has any ideas of how to fix this it would be appreciated.
Also, thanks to all the people out there working on ROMs and fixes!
Thanks
zero

Calls not connecting on AOSP ROM

Just flashed Resurrection. Everything is cool except my calls don't connect. When I dial, the call immediately ends. If I toggle airplane mode a few times the call will finally connect. I figured this is an AOSP thing. Does anyone know of a fix?
Metro pcs is my service provider by the way

Bump.. been checking around and I've found nothing. However I'm able to dial Google voice numbers without issue

DonSolo said:
Does anyone know of a fix?
Click to expand...
Click to collapse
I know a fix, but you're not going to like it. Flash something else. See if the problem persist. If not, boom, problem fixed. If yes, make a log. Post it in the ROM thread together with problem description. Wait for fix.
edit:
If the same problem persist also on another ROM could be also HW problem.

jeryll said:
I know a fix, but you're not going to like it. Flash something else. See if the problem persist. If not, boom, problem fixed. If yes, make a log. Post it in the ROM thread together with problem description. Wait for fix.
edit:
If the same problem persist also on another ROM could be also HW problem.
Click to expand...
Click to collapse
I actually love flashing new ROMs lol. Unfortunately flashing a different rom didn't help. Same thing is happening. I ended up flashing Official Android 11 Pixel Experience.
At this point I'm sure it's an AOSP thing or custom ROM (don't think it's HW atm). When my bootloader was locked for the "168 hour" wait period I was able to make all of the outbound calls I wanted. I'll post some logs in both threads just for the record while I continue to find a fix.

I've found a workaround for my issue. I installed an MIUI ROM. I've been able to make calls without issue.
Not sure why MIUI allows me to dial out and AOSP doesn't. If anyone can chime in, that would be awesome. Otherwise I'll rock with MIUI ROMs for the time being.

DonSolo said:
I've found a workaround for my issue. I installed an MIUI ROM. I've been able to make calls without issue.
Not sure why MIUI allows me to dial out and AOSP doesn't. If anyone can chime in, that would be awesome. Otherwise I'll rock with MIUI ROMs for the time being.
Click to expand...
Click to collapse
I am now on pixel experience android 11 rom.I am also facing the same issue.Should I shift to miui rom?

Mushfiq Khan said:
I am now on pixel experience android 11 rom.I am also facing the same issue.Should I shift to miui rom?
Click to expand...
Click to collapse
Pixel Experience hasn't been updated for a long time if I'm not mistaken.
I personally use ArrowOS 12.1 and have no issues. Even automatic call recording works for me

Noter2017 said:
Pixel Experience hasn't been updated for a long time if I'm not mistaken.
I personally use ArrowOS 12.1 and have no issues. Even automatic call recording works for me
Click to expand...
Click to collapse
I was previously on awaken os android 13 version.I noticed this call problem when I was on that rom.So I shifted to pixel experience.
But I just turned off Volte toggle and now calls are seems to be working.So could it be issue from my network provider side?

Mushfiq Khan said:
I was previously on awaken os android 13 version.I noticed this call problem when I was on that rom.So I shifted to pixel experience.
But I just turned off Volte toggle and now calls are seems to be working.So could it be issue from my network provider side?
Click to expand...
Click to collapse
To be absolutely sure that it's your provider's fault, I would probably also flash MIUI to be 100% sure

Noter2017 said:
To be absolutely sure that it's your provider's fault, I would probably also flash MIUI to be 100% sure
Click to expand...
Click to collapse
Will any miui based rom work?Like Eu rom?