HTC M9 Bluetooth problem - Android Q&A, Help & Troubleshooting

I have a M9 and am on ATT. After the last network update, my bluetooth doesn't work correctly. For example I use bluetooth to play music through my car stereo, the phone will connect play maybe 3 songs then the bluetooth will turn off. I recently went on a trip and connected the phone to the rental car's stereo and the same thing happened. I have tried turning off all of the power saving options, but that does not help. The only thing I can think of is to downgrade the "firmware" then upgrade it and see if that fixes the problem. Any advice would be appreciated. Thanks

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[Q] Strange Bluetooth issue

So I got the Thunderbolt on release day and the first thing I tried when leaving the store was syncing to my 2011 VW Tiguan. It did sync fine with the phone (handsfree) and phonebook. I was using it without issue until I decided the other day to try streaming media to the radio. Both devices showed that the mediastreaming was paired as well as the headset.
Long story short... it didnt work. No audio was streamed thru the connection. OK so fine. Except now when I connect the phone to the car it first connects the headset and the media streaming profiles and then disconnects the headset. It will not reconnect at all now. (Actually it says that it is paired but disconnected)
I deleted everything and tried to re-pair it to no effect. I changed the phones name as well. I have tried a battery pull from the phone but it will no longer connect the headset profile to the car or download the phonebook.
**UPDATE**
I was able to pair it and use my jawbone headset. Would still like to get the speaker phone working.
Any thoughts? Im in the car for many hours per day and this is going to make me crazy.

[Q] Bluetooth auto connect

I can't see any option anywhere in my SGS2 to set a BT paired device as "authorized". Every time I enter in my car I've to manually select the BT device and start manually the connection.
I searched in the forum but didn't find answers.
I also tried to look at the filesystem and I found auto_pairing.conf file in which there are a lot of BT manufacturer brands listed in sections like "black list", "white list", .... Is it possible I need to manually modify this file to include my BT manufacturer in the white list section? It sounds really strange!
Is there any other way?
I'd love to know that as well.
I atlculay lvoe my sumnasg glxaay s2 wtih VliaRionlm mroe tahn my xobx
Update
I manually modified auto_pairing.conf file adding my car BT manufacturer without any success (I added it in white list with the name already mentioned in the file, so I think that's not a problem of brand name).
My SGS2 continue to ask me to manually select the device to connect to, even if only one BT device is available (car handsfree).
I have the same problem, which i didn't have with my Nexus One running Cynogenmod ROM. I keep my Bluetooth on all the time or most of the time and i would like (like i had in nexus one) when i turn on my car (with Sony MEX-BT3700U car stereo with Bluetooth) that the phone auto-connects with the stereo in a minute or less (or with my plantronics headset when i turn it on), but no, every time i have to go into bluetooth settings and connect on the paired device and then it's connected.
I heard about few application that could help but it would be nice to have it as native function on the phone. I haven't tried these apps yet but if anyone want's to try they can be downloaded from the market, firs is free, the second is not.
https://market.android.com/details?id=a2dp.Vol&feature=search_result
https://market.android.com/details?id=com.btautoconnect&feature=search_result
If anyone can help it would be greatly appreciated
I don't have this problem at all, on any ROM I've tried stock or not. Is your stereo also set up to auto-connect? And is it your phone or your stereo that's refusing the auto connection?
mudferret said:
I don't have this problem at all, on any ROM I've tried stock or not. Is your stereo also set up to auto-connect? And is it your phone or your stereo that's refusing the auto connection?
Click to expand...
Click to collapse
Stereo doesn't have any options, same as Plantronics headset (only ON or OFF), that means that with my old nexus one running CM (or Nokia n95 8GB) when the bluetooth is switched ON and i come near stereo or headset they connect automatically in about 30 seconds max, with my SGS 2 that doesn't happen, i tried everything but it wont auto-connect until i initiate the connection from phone manually.
I have to resolve this because it's killing me !
jartukovic said:
Stereo doesn't have any options
Click to expand...
Click to collapse
I wonder if that's the issue; IIRC it's my stereo that I've told to connect automatically rather than my phone. I'll verify on my commute home today.
Mine auto connects to my JVC car head unit, but doesn't to my Belkin Tunestage. No idea why. As it happens, this suits me but it'd be nice to be able to control it.
And the commute begins. The auto connection is an option on my JVC deck, no such option on the phone.
Sent from my GT-I9100 using XDA App
mudferret said:
I wonder if that's the issue; IIRC it's my stereo that I've told to connect automatically rather than my phone. I'll verify on my commute home today.
Click to expand...
Click to collapse
The stereo is recognized same as Plantronics and that is as a head set, but it doesn't want to automatically connect to either of them, every time i have to initiate the connection. There is one way to connect it (partially automatically ) but that's not the solution - i have to turn on the bluetooth on my phone before starting my car, then when phone is in searching mode if the car is started (stereo turned on) then it will connect automatically, if the search mode (that is active for a short time after turning the bluetooth) ended before i start the car (for instance if i keep my bluetooth on all the time on my phone) then it wont connect automatically.
Am i any clearer about my problem ?
I hear what you're saying but it appears that auto connection is initiated by my stereo. If I turn auto connect off on my stereo there is no connection until I tell my phone to connect. I don't see anything on the gsii settings to have the phone auto initiate the connection. I have a recent JVC deck fwiw.
Sent from my GT-I9100 using XDA App
I will check one more time is there any bluetooth settings on my car stereo, but i'm 90% sure that it doesn't have, because this is the first phone that doesn't connect automatically.
I have had similar issues with mine, it will pair with my Kenwood DNX520VBT but wont auto connect.
however i now have a workaround
Turn bluetooth on your GS2 first, then turn on you Radio. once my Radio boots up it initiates the connection and auto connect works.
if i turn on the bluetooth on my GS2 after my radio it never works.
ive got a sony bt3700 stereo, it connected perfectly with my samsung wave, i just upgraded to a galaxy s and i have to do it manually every time so its not the stereo.
Same thing happened to me, old nexus one with CM7 is connecting ok but i have to connect SGS2 manually or make sure that my bluetooth is ON on my phone before i start the car.
I may have the answer......
Hi,
I have a sort of work around.
My Pioneer head unit refuses to auto connect to my SGS2 and I have to do it manually (I connect from the radio in 4 clicks but thats not the point). This was driving me nuts as previous handsets I owned connected within 5 seconds of being in the car.
I then discovered ROMS and went for the Criskelo ROM and it put me on Android Version 2.3.6 (Not sure if that made a difference or its actually the ROM).
Now with that sorted I found that I have an extra function in my bluetooth settings. When I make the device visible I can then choose the visible time-out length. If I set this to NEVER then I have no problems connecting to the headunit everytime I get in my car.
The only problem I have with this is that I pop my phone into Airplane Mode each night and because that disables the bluetooth it loses the time-out setting so I have to put the time-out back to never each morning.
With setting the time-out to never I'm not sure what battery drain is like because I'm constantly on my phone and my battery depletes rapidly anyway but it seems like a fix for now.
I hope this makes sense and helps people out until a proper fix becomes available.
Cheers,
DJ Sploits
Hi All,
Sorry for bumping an old-ish thread, but it seemed the most appropriate thread, and better than creating a new one of the same topic!
This is what I believe to be true:
*IF* Bluetooth is enabled on the GS2 (and the phone has previously been paired with the car headunit) then when the car is turned on, it will auto-connect to the GS2
*IF* Bluetooth is NOT enabled on the GS2 (and the phone has previously been paired with the car headunit) then when the car is turned on, it will NOT connect to the GS2 (understandably!).
*IF* the phone has previously been paired with the car headunit, and the bluetooth on the GS2 is enabled *AFTER* the car has been started, it does NOT Auto-Connect.
From this, I assume that when the car is powered on, it searches for previously paired handsets in order of most recently connected first. If it finds one, then it WILL connect.
Now:
If I leave Bluetooth enabled on my phone, the battery is significantly depleted my mid-afternoon.
I've started using an app which uses the "rough location" (not GPS) to monitor where the phone is located. If it deemed to have moved in X period of time, then it enables bluetooth.
This is great, and works a charm ... BUT it does mean that bluetooth stack on the GS2 is enabled AFTER the car has been moving for a period of time, and thus does NOT auto-connect.
What I've been searching for is:
"When BT stack is enabled on GS2, can it look for previously paired devices and initiate the connection itself?" (Rather than the car connecting to it?) Is there a script or app to do this?
Hi WTFH,
I think it might be more headunit specific. I always have my bluetooth on but it wont connect automatically to my headunit unless I have it set to constantly discoverable (on the handset).
I also use a power saving program called Green Power Premium which will cut bluetooth/data/wifi after a certain amount of time when the phone is in a sleep state. Its great fro saving power as my phone isnt constantly looking for a wifi signal (I don';t use it to control my bluetooth though as I need it on for my car).
Hey DJ_sploits,
Thanks for that ... Yes, I understand that some headsets do not auto-connect to the GS2 if the phone is NOT visible.
But what does seem to be constant is that the GS2 will not auto-connect to any of the headsets if the bluetooth stack on the GS2 is enabled AFTER the headset has come online and available.
One workaround I'm thinking of is:
Enabling a profile which says "When connected to a power source (I'll have to use the power adaptor) then enable bluetooth". Connecting my phone to the power first before starting the car should enable the BT stack before the headset tries to connect.
In fact I could extend this to say "Only enable bluetooth when using power adaptor, and not connected to wifi".
It's still a pain to do this though, as I tend to just jump into the car and don't want to faff about with connecting this and that.
The only other work around I use is to set the visiblity to constant (depending on what android software version you are on). My headunit always picks the phone up if I have it setup like this. the only thing with that is it will eat the battery even more (which is annoying considering there are other phones out there that constantly have their bluetooth on and you never see the battery getting hammered).
The only flaw I can see in your method is the fact you need a power source to knock on the bluetooth. Great for powersaving but it would then mean you would have to remember to connect it to a car charger everytime you got in the car (not too bad if you have it constantly plugged in to the cigarette lighter) and as you set this can be a bit of a faff.
The only way I can see in sorting this is using a power saving app but having your visibilty constantly on for the bluetooth and then we just hope it doesnt eat the battery too much (not to bad for me as I have a charger at work but could be a pain for others). The only problem with this (apart from the battery issue) is that if you knock the bluetooth off or knock the phone to airplane mode (as I do at nights) then when you knock the bluetooth back on it forgets that you want it to be constantly visible so you have to go through the settings and check the box

Android phones not auto connecting to HTC Stereoclip

So I picked up the htc stereoclip (a100) the other day because my car stereo will do bluetooth voice calls, but not a2dp natively. It works great when connected, but that's where my problem lies. I posted this in general android as I think it might have to do with android directly and not specific to a specific phone since the same issue is occurring on my galaxy s 3 and my wife's htc one x. The problem is, if I leave bluetooth enabled on either phone, get into the car and start it up, it will not automatically connect with the stereoclip. I can resolve this by either turning bluetooth off then back on, or selecting the stereoclip to connect to in bluetooth settings. It's not a lot of work, but its rather annoying to dig my phone out and do that. Also, if I wanted to use tasker to say autoplay pandora when it connects, the automation is kinda lost as I still have to pull the phone out of my pocket. Any ideas on how to resolve this? Any apps in the store fix this or at least put a bandaid on it so I don't have to fiddle with it myself?

Android Auto/Bluetooth Issues

Has anyone had any success with android auto and the V10? I have not been able to connect to my NEX4100 via android auto AND bluetooth....
I think there are general bluetooth issues. I have a 2014 Cadillac with CUE Bluetooth and the V10 connects fine but no media can play. Calls work fine. I've tried many of the tricks that helped with the LG G4 (turning media audio off in settings after connecting then turning it back on) to no avail.
Between this and the force restarts, I may return this phone and go with the Nexus 6P. Also annoyed that verizon is selling the Qi chargin back as an accessory...
I had the same issue with my 2014 Jetta and the V10, took me 30 minutes of restarting bluetooth, turning the phone off and on, turning the car off and on and finally I switched my car to FM and the bluetooth connected to also support media audio. After that it worked ok. No idea what's up with the bluetooth but for my wireless headset it paired without issue. Seems picky
Notasaurus said:
I had the same issue with my 2014 Jetta and the V10, took me 30 minutes of restarting bluetooth, turning the phone off and on, turning the car off and on and finally I switched my car to FM and the bluetooth connected to also support media audio. After that it worked ok. No idea what's up with the bluetooth but for my wireless headset it paired without issue. Seems picky
Click to expand...
Click to collapse
Same strange issues here.
Paired no problem to a 2015 Honda Accord. Unable to pair to a 2011 BMW X3 (however the HTC One M8, M9, Samsung Galaxy Avant and Light all pair no problem). And it paired no problem to a 2016 BMW X3.
And at the gym, it disconnected from the bluetooth headset while I was using it. Wouldn't reconnect until I powered the headset off and back on.
I've got the nex4100 as well and I have had no issues at all. Everything works as it should.
Sent from my LG-H901 using XDA Free mobile app
eazyg said:
I've got the nex4100 as well and I have had no issues at all. Everything works as it should.
Sent from my LG-H901 using XDA Free mobile app
Click to expand...
Click to collapse
Whoa... so do you think its a hardware issue that i should swap? Does android auto work for you as well?
zwan05 said:
Whoa... so do you think its a hardware issue that i should swap? Does android auto work for you as well?
Click to expand...
Click to collapse
I don't know. Others in the thread seem to be confirming the issue your having but I seem to be the only one with the exact same head unit. Do you have the update for the head unit? My S5 had issues before the update. Update is kind of old but it did help with my S5. And Android Auto is working fine.
Sent from my LG-H901 using XDA Free mobile app
I am up to date on the 4100. So i swapped it out today and now it works with Android Auto, however it still does not work with bluetooth which is super odd.. to my understanding when you plug the phone in to connect to AA it still transmits the audio over bluetooth. Pioneer said it could be something wrong with the media bluetooth profile or something. Anyways i guess im stuck until they fix it. Maybe when android M comes out.
I don't know about Android Auto, but I definitely think the V10 has Bluetooth issues. I traded my Galaxy S6 Edge+ in for a V10 a week ago. I notice the Bluetooth audio is consistently "skipping" on both my car's audio and my Bluetooth headphones. Both devices worked flawlessly on my S6. Sometimes my car will even completely disconnect from the phone and I have to go through a complete reset/re-add process to get it back.
Hoping a 6.0 update will come soon and fix this issue.
zwan05 said:
I am up to date on the 4100. So i swapped it out today and now it works with Android Auto, however it still does not work with bluetooth which is super odd.. to my understanding when you plug the phone in to connect to AA it still transmits the audio over bluetooth. Pioneer said it could be something wrong with the media bluetooth profile or something. Anyways i guess im stuck until they fix it. Maybe when android M comes out.
Click to expand...
Click to collapse
Just an update as I just ran new cable in the car for the new phone. Everything tested out fine for me. The car is an 02 Camaro that I don't drive often now that it's cold outside but after hearing your problems I wanted to make sure everything was working the way it's supposed to. I don't think bluetooth audio while on Android Auto worked at all but Google play works just fine. Bluetooth audio was flawless when not connected to Android Auto. Tested it on and off Wi-Fi. Good to hear your better after the swap.
Sent from my LG-H901 using XDA Free mobile app
I'm having problems connecting to my 2015 GMC Sierra (GMC Intellilink). I can connect, connect automatically, make and receive phone calls, but the bluetooth audio for music DOES NOT WORK. Most of the time, when I try to play a song via google play music or Deezer, the head unit in my truck immediately goes BLACK for about 10 seconds, I hear a whirrr of an internal fan, and it starts back up disconnected from the phone. The phone is causing the head unit to fail & restart. Sometimes it doesn't restart. It'll show the progress bar of the music, as well as on my phone. I can pause, play, next song, etc. but NO AUDIO comes out. It's just dead silent.
I'll let you guys know what my dealership says, as it's in service right now for this issue. I'm hoping there's an update for the software :/
When I bluetooth over to my $300 Sony x-7s speaker, every 10 seconds or so I get a loud static pop. Luckily I kept my note3 so I just use that until an update (hopefully) will fix the issue, so I can listen to my Howard Stern on the v10. I am surprised they didn't push an update on or near release date. Maybe they are going straight to Marshmallow.
So i have an update after having a week or so to play around with it. Although I cannot connect to my NEX 4100 via bluetooth I can use google play music via android auto. Also i cannot use spotify on AA UNLESS i hit play on google play music first then pause then try to play a song on spotify...... very strange.
I'm glad it's not just me... Same weird bluetooth issues here with my Mercedes E63 AMG and the COMMAND unit. It was working flawlessly with my last phone (Xperia Z3.) The V10 is nothing but a headache so far. The following problems are happening:
Won't connect at all, and hangs.
Connects for calls only, no media.
Connects, instantly disconnects, cycle repeats.
To fix it I either have to keep manually connecting from COMMAND, until it randomly works. Or disconnect from the phone, and reconnect again. Or turn bluetooth off and on. On the note of which, half the time I do that, it hangs. Love the phone, but I'm going to return it if this goes on.
Further note: I even took the car in to the dealer, and paid 150 bucks to get the latest firmware updates done on it. That didn't fix it either. Tried my Xperia again, still works flawlessly. Ugh.
I had an interesting issue with bluetooth.
I paired it to my 2015 Jeep Overland.
Music from SD Card played fine.
Then tried pandora. Nothing worked. Disabled bluetooth and pandora was fine. Went back to local mp3s from SD card and they would not play now.
Had to un-pair and pair it again. Then mp3s worked.
Played pandora and nothing and that broke mp3s again.
Then I tried my g4 on Sprint. Pandora worked fine.
Also tried Tune in Radio and that worked on v10 over bluetooth.
I think it is caused by Binge On from t- mobile downsampling the stream on pandora and the Uconnect radio does not like the bitrate or format.
I did read t-mobile will downsample streamed movies.
So folks with bluetooth issues, what are you testing with?
I have a less standard setup. I connect to my 2012 Cadillac system as a phone only, and I have an aptx bt dongle attached to the aux port that I'm connected to as a media device.
My phone connects to both simultaneously, and hands the phone back and forth for calls and music. It works flawlessly, and the audio quality way better than any OEM bt streaming that I've ever heard.
I have a Pioneer DEH 80PRS in my truck and it has connected and works perfect just like my G3 did. It always auto connects when entering the vehicle and hands off between streaming Tune in radio or from the SD card using the Android music player app and a phone call no problem. Hopefully the guys having problems will get a fix when the phone is given some MM goodness.
Same issues with Bluetooth and my 4100nex. Calls work, Android auto works, Bluetooth music does not. I'm in my 14 day window. This may be a deal breaker for me. Kinda regret ditching my note 4 for this.
Yall think it will get fixed with an update, or are we permanently screwed?
Sent from my VS990 using Tapatalk
I am having the same problem with my LG V10. It won't stay connected to my Lexus 2015. The only thing I found that would work is if I keep the phone unlocked.
looks to be an issue with LG
zwan05 said:
Has anyone had any success with android auto and the V10? I have not been able to connect to my NEX4100 via android auto AND bluetooth....
Click to expand...
Click to collapse
Same issue between LG V10 T-Mobile and my Bluetooth audio on my 2014 Kia Optima SX. I also have similar connectivity issues between the phone and the Microsoft Band. Similar reports on the Microsoft boards of same Bluetooth issues with the Band and V10. Sounds like a problem on the LG side to me.

Trouble pairing phone with smart watch and bluetooth earbuds

I have a cheap Chinese smartwatch (unbranded DZ09) and I'm trying to use it to control music playback on my phone while also having the phone connected to bluetooth earbuds. I can connect the phone to only one of these at a time, but as soon as I'm pairing it with the earbuds it disconnects from the smartwatch and vice versa. I'm running the latest developer ROM, which I just installed hoping it would fix this problem, but to no avail.
Is there any way I can solve this?
EDIT: I actually can pair both of them at the same time, but I can't have media audio activated for both devices at the same time, which I seem to need for what I'm trying to do.

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