[Q] Bluetooth issues - diffs between i9505 and i9515 - Galaxy S 4 Q&A, Help & Troubleshooting

Hello to all,
My girlfriend has a I9505 with original firmware, I do have I9515 with original firmware.
My girlfriend is able to play music via bluetooth on my car sound station (VW Golf with original sound from FAMAR), and I am able to connect, play some seconds, then the station bugs, makes a big sound and turns off.
I wonder what is the difference on the bluetooth hardware or driver from both phones. Can somebody give me some clue ?
Btw, bluetooth works perfectly with other speaker systems.

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Hi everyone, I'm trying to help a friend here.
His got a Nexus 4 with 4.3, but the problem was also in 4.2.2. When connected to in dash audio system (2010 Nissan Qashqai) via Bluetooth everything is working.
But while talking there are like interference within the conversation, which occurs randomly. According to the local dealer the Nexus 4 is not supported with this system. I suspect it may be something with the modern Bluetooth standards the Nexus support and aren't maybe fully supported by the audio system.
Is there a way to solve this? Is there a way to downgrade the Bluetooth capabilities since he uses Bluetooth only in the car? Would really appreciate any solution since he would love to avoid buying an external Bluetooth headset and not using the car built in speakers.

[Q] No audio streaming via bluetooth

Hi,
Since upgrading to version 4.3 i'm unable to stream audio via bluetooth to my car headset using youtube and other music apps, the only one thats able to stream music to my car stereo is "google music", phone speaker through the car stereo works, and handsfree buttons as well.
The problem occurred only after upgrading from 4.2.2, it's not working on my wife N4 as well, so it's not just my phone having this problem.
using stock 4.3 and also tried CM 10.2 but that didn't help as well,
hope some one can give me a hint on how to fix this.... thanks!

Bluetooth Media Audio Profile issues on Lollipop (Android 5.0)

Hi everyone,
I'm in need for some serious help here and I can't express enough how grateful I will be to whoever helps me out here.
The phone I'm using is a Galaxy S5 SM-G900F.
I used to be on 4.4.2 Stock ROM and I flashed XtreStoLite INTL 2.2 ROM (Android 5.0) and now my car Bluetooth connects to my phone but only shows "Call audio - Use for phone audio" Bluetooth profile and not "Media audio - Use for media audio" Bluetooth profile as it used to when I was on 4.4.2.
This means I take calls on Bluetooth and everything regarding calling works well (I can even download Mono Bluetooth Router and streamed mono music through that) but I can't stream music/sound (for example, GPS directions) from my phone to the Bluetooth in my car (A2DP style, you know, the regular).
It is important to note that on a different Bluetooth Speaker I have (NudeAudio), everything works well and as expected and both profiles are visible which is all the more confusing.
I searched on Google and came across these two interesting threads:
https://productforums.google.com/forum/#!topic/nexus/pioR9Zo-mUc <-- This is exactly my problem
https://code.google.com/p/android/issues/detail?id=79488
It's as though they've revamped the way the Bluetooth profiles are read so my phone only recognizes the Phone Audio channel.
This is one of the features I use most with my phone and if anyone knows of any solution to this I would be so incredibly thankful!
If it's not working with a custom ROM, chances are it's a problem with that ROM
Flash stock and test
*Detection* said:
If it's not working with a custom ROM, chances are it's a problem with that ROM
Flash stock and test
Click to expand...
Click to collapse
Thank you for the input.
Considering that the ROM I used is very close to the stock ROM and I have had no other issues - I would love it if there was some way to handle this issue specifically.
If anyone knows of some tools or something that could help me with troubleshooting this Bluetooth profile issue - that'd be great.

[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

Another Joying Head Unit Bluetooth No Sound Issue

Hey guys. Bought a JY-UO138P4 last year and installed it on my Ford F350 -- had no problems with it whatsoever.
Transferred it to my Dodge Diesel, and now everything works EXCEPT for bluetooth audio. Youtube videos, phone calls, all bluetooth audio (including keypad) goes completely mute with phone connected. With phone disconnected, radio and keypad tone work.
Anyone have any ideas what the problem might be

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