[Q] car stereo not responding to Bluetooth controls - EVO 4G Q&A, Help & Troubleshooting

I have a brand new evo hardware version 4 softare 3.70. Before i rooted i could use my car stereo to pause or skip tracks in Pandora and other apps. Since I rooted I can no longer use the car stereo to control those apps. I have tired multiple roms but have found none that work. Not sure if it is a kernel problem or what. Would appreciate any help.

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[REQ] AVRCP 1.3 Bluetooth metadata

O.k. this is my first thread on XDA, gotta say...love this site! Heres my request. I have a Pioneer Z110BT nav unit in my car which supports AVRCP 1.3 to allow track and artist text to be pushed while streaming audio over bluetooth. However I think the EVO only uses version 1.0, so I'm only able to use the pause, play, stop, ff, and rewind features on the nav unit. I saw somewhere that eclair added some support for version 1.3. Is there any chance of someone getting AVRCP 1.3 working on the EVO?
AVRCP only works sometimes
Alright I'm bringing the thread back from the dead because I'm having bluetooth problems myself. The problem is my AVRCP (the bluetooth function that allows external control of songs) only works sometimes with my bluetooth car stereo (Sony Xplod MEX-BT2900 and my Sony Xplod MEX-BT2800). I get into my car with the bluetooth radio on my stereo and my phone, the phone will connect completely (media and phone), but I will not be able to control music playback function from my cd player or steerling wheel control. Then I will do a complete soft reset and the AVRCP will work flawlessly (i have complete control of playback without touching the phone). My question is why does this do this? Why does it only want to work sometimes and not others? You can see my setup below. I do have Pandora installed but I went into settings and selected Bluetooth for Automotive (OFF). I'm using music installed to my SD card through the stock htc sense 1.0 music app. I have not tried google music or anything like that. I do have tune-in radio and iheartradio installed. It has done this for a bunch of different Rom's and kernels including stock. Is the stock sense bluetooth profile garbage or what?
I don't believe its your phone I have the same issue with a Droid x 2 and the bt2900. Mine will also leave a paused message on the head unit with music playing. I believe its a Sony issue.

[Q] HTC Headset control problem-Gingerbread update

Hi,
After updating to Gingerbread 2.3.3, build 2.36.405.8, the headset controls (rew,fwd,play) stopped working. Altough I have selected in my music application, Poweramp to be the primary app, which should be able to control the headset buttons, I don't get any action, not even on the HTC music app.
At first it worked but it was a bit laggy and now is not working at all. Is this problem related to any other app I have installed?
If I have to do a factory reset...how can I do that?
Thanks in advance for help
try setting power amp not to control the headphone controller, save these settings and then re-apply the ability to control the headphones, worked for me, although eventually I dropped PowerAmp and tried Winamp for Android, really awesome.
Thanks for support, tryed it and didn't work. I think it might be a hardware problem with the buttons. I'm gonna test the headset an another phone to be sure. Will keep you updated Does anybody know if the service guarantee includes also the repair of the headset?

[Q] Cyanogen mod Bt handsfree and bt audio features don’t work if Music player paused

What caused issue: newest cyanogen mod update
After updating from CM 7.1.0-RC1 to CM 7.1.0 my Bluetooth stereo in my 2011 toyota camry (when connected) only plays the mp3 (Music) player on my EVO. If the mp3 player is paused, no audio will come through from anything on my phone. All other applications, be it handsfree phone features, streaming apps, Pandora, youtube, google maps don’t come through the stereo. If the audio player is being played, other apps’ audio can come through.
Now I know the Cyanogen team messed with the Bluetooth stereo because my car stereo now displays the mp3 track names and it never did before the update. I would gladly forgo that feature to return Bluetooth audio normalcy to the rest of the phone. Even stranger, on my dad’s 2010 Lexus es, which has an older version of Bluetooth stereo, EVERYTHING works just fine! This makes me think that this is an issue related to newer bt stereo models.
It could be a while before the Prime comes to Sprint, also could be a while until CM gets ICS working on Evo supersonic.
Please help.
I am experiencing the same problems exactly as you described with my 2010 Toyota Camry. I have only been able to get the "stock" ROM with the "stock" kernel to give me full functionality. Even with the stock rom, if I upgrade just the kernel, I get the same problem. Did you ever find a solution? I have been researching on the various forums and the internet and have not found a solution yet.

[Q] Car Bluetooth Audio Problem

I have a LG Nitro HD running on AT&T. The phone came pre-loaded with 2.3.5. The bluetooth phone part works as I can make and receive calls with my car (Suzuki Kizoshi 2010), but the audio over bluetooth doesn't work. The phone part works as I can make and receive calls. This is very important for me to be able to play the audio over bluetooth as I have a long commute to work and like to listen to my music. Any help is greatly appreciated. Thank You.
It's been about a month and still no solution. Has anyone else come across this problem?
I do not have this problem. I have a Pioneer X930BT headunit in my car and my Nitro streams audio over bluetooth (A2DP) to it perfectly as well as phone calls.
Have you tried streaming Sirius or spotify over bluetooth? I found that the only app on the phone that streams audio to my car correctly is the pre-installed audio app that comes with the phone.
I can confirm google music and napster stream great over bluetooth. I have not used spotify or sirius for android.
Are you sure your car supports audio profile?
I stream spotify, tunein radio every day through bluetooth.
Spotify actually pauses when bluetooth connection is lost which is great for getting out of the car. I wish TuneIn would do it.
Sent from my LG-P930 using Tapatalk
I have had the same problem with my nitro, it will automatically connect the phone but the media (A2DP) seems to drop automatically after connection. I've found if I manually re-connect to the receiver both will stay connected.
(settings > Wireless & Network > Bluetooth settings > *tap device name*)
I, like you, use it every time I'm in the car so it's annoying but it's a fix until there is a valid solution like a update or properly built rom.
In your case I would delete all the phone profiles from the car memory and re pair them. A lot of cars have a seperate a2dp profile for streaming music and if you pair them seperately the car stereo thinks that it needs to be paired only with the cell phone while the phone says that is paired with phone and audio.
It is not a LG Nitro 4g issue. Updates/firmware would not fix it.
theoski said:
In your case I would delete all the phone profiles from the car memory and re pair them. A lot of cars have a seperate a2dp profile for streaming music and if you pair them seperately the car stereo thinks that it needs to be paired only with the cell phone while the phone says that is paired with phone and audio.
It is not a LG Nitro 4g issue. Updates/firmware would not fix it.
Click to expand...
Click to collapse
That seems to be your problem JoTomlin and Kaiser. Before I installed my new headunit in my subaru I had tons of issues with my captivate playing music over bluetooth because the car had seperate profiles for A2DP and handsfree. When I got my new headunit which has a single profile containing both A2DP and handsfree it all worked without headache on the captivate and now the nitro. This is a problem with your car stereo. If its anything like my subarus, it would prefer to connect to handsfree and it would have to physically disconnect handsfree to connect A2DP (I would have to manually connect via the bluetooth menu). I solved it by getting a tunelink bluetooth audio receiver so handsfree would connect to the stereo and to the tunelink at the same time. Eventually I got tired of that and bought a new headunit.
Apparently a lot of people have swapped out their factory Kizashi factory head units for something better. But again, you'll want to bug Suzuki about something like this.
FWIW, I can stream Pandora just fine over a VW headunit with factory bluetooth. I do have to sometimes to a reconnect/pair though.
Has anyone figured out this issue? I stopped using my Nitro for about 5 months and then just recently updated it with 4.0.4, but still have the audio issue. My Samsung Galaxy SII doesn't have this issue. It's frustrating because I really like the Nitro. The Bluetooth audio is a huge issue though. Any help would be greatly appreciated. Thank You.
JoTomlin509 said:
Has anyone figured out this issue? I stopped using my Nitro for about 5 months and then just recently updated it with 4.0.4, but still have the audio issue. My Samsung Galaxy SII doesn't have this issue. It's frustrating because I really like the Nitro. The Bluetooth audio is a huge issue though. Any help would be greatly appreciated. Thank You.
Click to expand...
Click to collapse
Did you factory reset after updating?

Problem with car stereo after lollipop update

Hello everyone,
I have just updated my At&t Galaxy note 4 to lollipop a couple of weeks ago and I have lost the ability to skip tracks from my Pioneer DEH-P8400BH car stereo, while connected through Bluetooth to my note 4. I have tried with the stock music player and Playerpro and nothing happens when I skip a track back or forward. I don’t have any lock screen software and I have a Gear 2 always connected to my phone that can skip tracks without issues.
Please I need some help, it’s very annoying and not to mention dangerous to deal with my phone while I am driving.
Thanks,
I use google music and I have never had that problem. I use my steering wheel controls and can skip tracks without a problem. If you created that Bluetooth connection before the LP update, I would unpair the devices and re-pair them. If that doesn't work, consider a factory reset if you haven't already. Many people fixed lots of problems after the update by doing a factory reset.
This is a new LP Bluetooth music issue that I've never heard of. Just a suggestion:
If your Pioneer has updatable firmware (if it's aftermarket, it might. You didn't specify whether it was stock or aftermarket), then make sure it's updated. Otherwise report the problem to Pioneer.
Sent from my SAMSUNG-SM-N910A using Tapatalk
It's probably a Pioneer firmware issue. I have two cars, one has an AVIC X930bt in it and the other is a Lexus with factory stereo. On the Lexus, everything has been smooth sailing but on the t-bird with the Pioneer after market, I noticed it no longer works to change spotify songs using the head unit as I could before.
I also have the issue with my Pioneer stereo in my car...
I have updated my car stereo and that fixed my problem.
Thanks for the tip.

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