Bosion head unit blue tooth issue - Android Head-Units

Dear All
I bought Bosion (Eunavi) android 6.0.1 unit from Aliexpress. It works few days successfully all the functions. When i make a call inside the car, I can hear other party(receiver) clearly. But they can't hear my voice. I have tried my best(reset etc).but no luck. All the other functions working except blue tooth call. I have tested the sound recorder app.It record my voice mean internal Mic is working.I fix the external Mic too. no luck.
Can any one help.How to hard reset the Unit. I follow some youtube video for key combination. No luck.
Thanks in advance
Kumara

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[Bluetooth Call] Mic Audio Doesnt Work

Hello There
recently i bought this HU for My Car
https://pt.aliexpress.com/item/Andr...72db120&transAbTest=ae803_1&priceBeautifyAB=0
Installed yesterday and have a curious issue
When i use it to call people, bluetooth mic sound doesnt work
But mic is funtionally with android apps, like recorder, google assistant, etc
Firmware version: V9.3.1_20181205.173045_KED1-i140
MCU version: T8.3.19-11--180629-6686
Can Anyone Help me to solve the problem
Remembering: Cellphone is paired and connect to HU
sounds works well (a can hear the other pearson)
But my mic doesnt work (other pearson cannot hear me)
test with 4 differents phone
Android/ IOS/ MIUI

Hizpo Android Stereo, no audio for bluetooth cell calls

Maybe someone can give me a hand with my head unit. I have a Hizpo Andriod 7.1 for my Porsche Cayenne. The install was easy and works great but I cannot get a bluetooth cell call to work with an iPhone 6 plus or a Samsung A5. Both phones connect no problem and you can make a call on the screen but there is no audio out of the speakers and the person at the other end cannot hear me. I can listen to music by bluetooth so I do know it's connected. I even bought Apply carplay and it makes no difference. Any ideas? Maybe there's a setting I'm missing?
Same here, Hizpo PX5 Android 8.0 .
I can start a call from the stereo, but the phone will still use its internal speaker for the audio.
Did you resolve in any way?

Call issues?

Hi all, I have a Xtrons head unit, pa87mtvl if I remember correctly, it has android 7.1.2 Installed with a px3 cpu.
Every thing works as I'd hoped and I'm liking the head unit, however, calls are not working.
Bluetooth connects as you would expect, and music over Bluetooth works perfectly so it's not a bluetooth issue.
But trying to have a phone call is another story, typing and calling from head unit works just fine, however no sound at all for the ringing or for when phone call has been answered, nor is the mic working. But the mic has been varified of working using Google assistant.
So everything works perfectly, until a call is made where the stereo does not have any sound or voice.
I have also used both common types of custom roms, malysk and hal9k and also updated mcu to the sound patched version, but nothing done the trick, any head is appreciate, thanks in advance, Cheers

Alps 8227l demo, calling problem

Good day friends,
2 days ago i bought and installed this unit
Alps 8227l demo
Yt9216b.
Android 8.1 go
Everything works great except calling, while calling the partner on other side hears his own voice like echo with delay of 2 seconds, reducing the volume eliminates echo slightly, but makes it nearly impossible to hear
I tried to decrease mic sensitivity from mtk-hardware-audio-headaet-mic ,but did not get the desired result
Car is mitsubishi pajero 2006 with rockkford audio system( maybe the rockford amplifier does not get along with this aftermarket head?)
Any suggestions?
Panazero said:
Good day friends,
2 days ago i bought and installed this unit
Alps 8227l demo
Yt9216b.
Android 8.1 go
Everything works great except calling, while calling the partner on other side hears his own voice like echo with delay of 2 seconds, reducing the volume eliminates echo slightly, but makes it nearly impossible to hear
I tried to decrease mic sensitivity from mtk-hardware-audio-headaet-mic ,but did not get the desired result
Car is mitsubishi pajero 2006 with rockkford audio system( maybe the rockford amplifier does not get along with this aftermarket head?)
Any suggestions?
Click to expand...
Click to collapse
Did you find any solution?
amit_coolcampus said:
Did you find any solution?
Click to expand...
Click to collapse
I have YT9216B device even i faced the same issue while calling the person on other end was unable to hear as the onboard mic is weak also the cable connecter which were used didn't had any connector for external mic so i replaced the RCA cable which contain external mic socket and just plugged in external mic and eventually the issue got solved without doing changes to mic sensitivity in engineering mode.
here is the link to refer : https://www.aliexpress.com/i/1005001344944286.html
Shreyas17 said:
I have YT9216B device even i faced the same issue while calling the person on other end was unable to hear as the onboard mic is weak also the cable connecter which were used didn't had any connector for external mic so i replaced the RCA cable which contain external mic socket and just plugged in external mic and eventually the issue got solved without doing changes to mic sensitivity in engineering mode.
here is the link to refer : https://www.aliexpress.com/i/1005001344944286.html
Click to expand...
Click to collapse
Can we connect through audio call anyhow?
amit_coolcampus said:
Can we connect through audio call anyhow?
Click to expand...
Click to collapse
Sorry didn't get what you said

Dasaita MAX10 - No sound while calling in bluetooth

Hi all,
I've just installed a Dasaita MAX10 5216 head unit in my 2016 Rav4 hybrid.
The head unit is updated now with latest firmware (MTCE_HA_V3.67 + Build HA3_rk3399_10.0_ota(20201113)) but the update does not fix my problem with sound while calling in bluetooth. Bluetooth music sound works fine from my phone but not calling sound. People can hear me but I don't hear nothing. I see the bluetooth app is calling or ringing but I cannot hear anything.
For your information I've installed the app "mtcdialer" in order to receive and launch Ok Google
I'm using a huawei mate 20 pro with android 10. Music in bluetooth is Ok I can hear it but no sounds while I try to call or answer.
Do you have any idea about calling sound issues in bluetooth ?
Many thanks in advance from the community

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