Bluetooth issues - Xperia Z Q&A, Help & Troubleshooting

Hello,
I am running existenz 7.0 but I have the same issues with existenz 6.5 or 6.6. or corresponding stock rom. I cannot remember having this issue before this version(existenz 6.0).
I have a sony smartwatch 2 paired all day long via bluetooth. No single issue during the day. I also have a car with bluetooth connectivity. I have issues with my phone (and not with other phones): bluetooth is randomly restarting and sometimes the phone itself reboots.
As it does not seems to be a rom related bug, and bluetooth is working fine with other devices (headset, watch) I think this could be application related. I have some crash dumps, but I am not able to find by myself where the issue could be located. Any help would be appreciated!
Here is a sample of last_kmsg when phone reboots: http://pastebin.com/4j6AX5mu
Thanks !

Related

[Q] Bluetooth Headset Probems: random disconnect

Hi there,
I've got a xperia z with a stock rom(android 4.1.2 build 10.1.A.1.434.) and a Plantronics Voyager Legend Bt Headset(running with the latest firmware).
The phone is new, only one week old. I've installed only few programs (beside the bloatware already on the phone).
One out of that is "avast mobile security", not sure if it's a possible fault for the problems I'm going to describe...:
The Headset is paired and I can, sometimes, use it.
Sometimes the headset gets disconnected from the mobile phone during calls(to get the call back on headset I need to turn bt on/off on the xz)
Sometimes the headset states "connected to phone 1" but when I start a call it's not possible to use the headset (same fix, bt on/off on the xz)
Also the Voice Commands are not working, a black page pops up and closes immediately.
The same Headset is paired with a Samsung S2, and there are no problems with that phone.
(...except voice commands, I've never tried them on that phone...)
Has somebody similar problems with a bt headset and this phone?
Has somebody similar problems with the same bt headset and this phone?
Is there a "magic app" that could fix problems or help debugging this problem?
(- I've tried the plantronics app, but this one was very unstable so I removed it.)
Kind regards
known issue
Win**** said:
Hi there,
I've got a xperia z with a stock rom(android 4.1.2 build 10.1.A.1.434.) and a Plantronics Voyager Legend Bt Headset(running with the latest firmware).
The phone is new, only one week old. I've installed only few programs (beside the bloatware already on the phone).
One out of that is "avast mobile security", not sure if it's a possible fault for the problems I'm going to describe...:
The Headset is paired and I can, sometimes, use it.
Sometimes the headset gets disconnected from the mobile phone during calls(to get the call back on headset I need to turn bt on/off on the xz)
Sometimes the headset states "connected to phone 1" but when I start a call it's not possible to use the headset (same fix, bt on/off on the xz)
Also the Voice Commands are not working, a black page pops up and closes immediately.
The same Headset is paired with a Samsung S2, and there are no problems with that phone.
(...except voice commands, I've never tried them on that phone...)
Has somebody similar problems with a bt headset and this phone?
Has somebody similar problems with the same bt headset and this phone?
Is there a "magic app" that could fix problems or help debugging this problem?
(- I've tried the plantronics app, but this one was very unstable so I removed it.)
Kind regards
Click to expand...
Click to collapse
its a known issue with bluetooth headsets. But I have a Sony MDR-1RBT and i have never had music skip. At the same time, not so lucky if i am listening on the free NFC speaker I got from Clove. Its a bit hit and miss really. May be do a factory reset and try again. If not try to replicate the issue and go to the nearest Sony Center for a warranty case ?
I just wanted to add that I have a Nexus 4 with the Plantronics Voyager Legend and I'm having the same issue of random disconnects during a call. I'm running AOKP on my phone. I still haven't figured out how to fix it, but this is not just happening on the Sony Xperia Z.
Same problem
WillJitsu said:
I just wanted to add that I have a Nexus 4 with the Plantronics Voyager Legend and I'm having the same issue of random disconnects during a call. I'm running AOKP on my phone. I still haven't figured out how to fix it, but this is not just happening on the Sony Xperia Z.
Click to expand...
Click to collapse
Hi, I have been experiencing the same issue on my Xperia LT28i also known as international Ion for several months now. I think I started having it around the time when I upgraded to ICS. Since then performed 2 hard resents but problem didnt go away. Nothing like this was experienced on Gingerbread (the version of the OS that came with the phone...
BTW, I am using two differen bluetooth earpieces - a Jabra and a Jawbone. Both have the same problem with sony - random transfer of teh conversation from the earpiece to the phone. this is really annoying when driving... Sometimes it gets worse and does it every 5 mins. other times wont happen an entire day...
I waited for 6 month for the JB update, hoping it would cure the problem. Updated to JB on AUG 1 but the problem persists. Thinking about sending the phone to Sony for repair...
---------- Post added at 06:37 AM ---------- Previous post was at 06:32 AM ----------
Win**** said:
Hi there,
I've got a xperia z with a stock rom(android 4.1.2 build 10.1.A.1.434.) and a Plantronics Voyager Legend Bt Headset(running with the latest firmware).
The phone is new, only one week old. I've installed only few programs (beside the bloatware already on the phone).
One out of that is "avast mobile security", not sure if it's a possible fault for the problems I'm going to describe...:
The Headset is paired and I can, sometimes, use it.
Sometimes the headset gets disconnected from the mobile phone during calls(to get the call back on headset I need to turn bt on/off on the xz)
Sometimes the headset states "connected to phone 1" but when I start a call it's not possible to use the headset (same fix, bt on/off on the xz)
Also the Voice Commands are not working, a black page pops up and closes immediately.
The same Headset is paired with a Samsung S2, and there are no problems with that phone.
(...except voice commands, I've never tried them on that phone...)
Has somebody similar problems with a bt headset and this phone?
Has somebody similar problems with the same bt headset and this phone?
Is there a "magic app" that could fix problems or help debugging this problem?
(- I've tried the plantronics app, but this one was very unstable so I removed it.)
Kind regards
Click to expand...
Click to collapse
Hi, I have been experiencing the same issue on my Xperia LT28i also known as international Ion for several months now. I think I started having it around the time when I upgraded to ICS. Since then performed 2 hard resents but problem didnt go away. Nothing like this was experienced on Gingerbread (the version of the OS that came with the phone...
BTW, I am using two differen bluetooth earpieces - a Jabra and a Jawbone. Both have the same problem with sony - random transfer of teh conversation from the earpiece to the phone. this is really annoying when driving... Sometimes it gets worse and does it every 5 mins. other times wont happen an entire day...
I waited for 6 month for the JB update, hoping it would cure the problem. Updated to JB on AUG 1 but the problem persists. Thinking about sending the phone to Sony for repair...

[Q] Bluetooth connection time on 4.2.2

Anyone else experience bluetooth connectivity issues on the new 4.2.2 firmware?
My car and BT headphones now take a lot longer to connect and disconnect to the phone compared to previous firmware.
In fact, the first time (after the update) i needed to manually connect to each deivce, almost like I had to remind the phone it was paired with them.
In comparison, my Nexus devices connect almost immediately on 4.2.2
Can anyone who is on 4.2.2 help test this?
Help confirm whether it is just me experiencing this or not. Thanks.
I have the same problem with my Mercedes BT System.
I connect my phone and lost my connection in 3-4min. After 10sec its connected again.
So my temporary work around was this:
1) Disconnect the Phone with my car
2) Clear Connetcion
3) Start new search and conntect the phone to BT
4) Didn´t allow the Mercedes BT to use my sms, contacts and so on.
With this it´s working if the BT System didn´t check my sms and contacts. But erverytime when I switch of the connection or car, I have to disallowed the BT System to check sms and contacts --- so this is only temporare and I hope for a better solution!
(Sry for my writen english - its bad )
My Bluetooth devices connected very quickly.
And no problems with sms and contact request?
Do you made a fullwipe?
My BMW simply won't pair with my XZ since updating to 4.2.2 - was working fine before on 4.1.2, but when I try to pair now, they recognise eachother, and I enter a code on the car to be verified on the phone, but after I enter the code on the phone, it all just freezes. The car sits there saying "Pairing...", but the phone thinks it's all been successful.
I have a bose audio system in my car, my XPERIA Z running PAC Rom - will pair, no audio or phone book exchange, My Dads Xperia z Works fine with stock rom. there is some issue I think with 4.2.2 maybe? I tried the Audio v19 and bluwtooth fix. NO LUCK!
Yes.. Having the same problem as well with Volvo's sensus multimedia system. It used to work fine.. Now it takes multiple tries to get it to connect since 4.2.2
I have the same problem.
I am having the same problem with the sbh25.
When i turn on the headphones my phone registers the pairing but no sound will be on. I have to manually turn the phone to speaker output then back to headphones for the music to stream through the bluetooth headset. This works first time 9/10 times. The other time i have to repeat the output step a couple of times for the music to be heard.
I had a couple of issues too with the latest 4.2.2. on my Kenwood system in the car.
This is terrible, clearly Sony did not thoroughly test the BT stack in this latest firmware.
I can honestly say, BT was pretty much working perfectly on 4.1.2 firmware. I may have to consider downgrading.
Thanks for everyones confirmation.

[Q] Bluetooth disconnects with Beanstalk

Hi,
I flashed BeanStalk-4.4.285-20140503-jactiveltexx (my first experience with custom ROMs). I would be happy with this ROM if there were not these issues with bluetooth.
There are frequent disconnects which I did not have with standard 4.2.2 ROM. Sometime it is hard to make it reconnect. (toggling BT off/on in easy case, reboot in harder)
This happened with multiple pairing partners (Smartwatch 2, Runtastic HRM, BoomBox).
And with BoomBox I'm also experiencing shuffled sound.
Any help or workaround very much appreciated.
Thx

[HELP] Bluetooth issue

Dear all,
The phone work flawlessly, except for a big issue I found on bluetooth.
Once I paired it with my car bluetooth headset, when I leave the car and I get in back later, the phone didn't connect automatically; I've to connect it manually from bluetooth settings section.
Does anyone have had the same issue ?
Is there a fix for it ?
The phone is freshly installed with MIUI8.2.5 Global stable release.
Thanks anybody for supporting..
[EDIT]
After updating to stable 9.2.4 the problem is fixed.

Bluetooth issue with Audio-Technica m50xbt Headphones

Hello everyone,
Since I got my new pair of Audio-Technica m50x Bluetooth headphones (Bluetooth 5.0 version), I started having issues with the Bluetooth connection of my OP3T.
The bt connection experiences a turn on/off loop while trying to connect to the headphones. It happens sistematically as soon as the headphones battery drops below 75% approximately. No issues when the headphones are fully charged.
I have tried to connect the headphones to different devices, and they work without problems.
The only way to make the Bluetooth connection work, is to deselect 'Phone audio' in the settings of the paired device. But by doing so, I would need to give up using the headphones for calls.
I have always connected different Bluetooth devices (always 4.2 version) to my OP3T without any issues.
I have tried to wipe cache, reset network settings and even a complete factory reset. But no success.
I have the latest stock OxygenOS.
I believe it is a Bluetooth problem of the OP3T, since I have tested the headphones with different devices and they have always worked fine.
More Oneplus 3t users are sharing the same problem(cannot post links yet), but no solution has been found yet:
Similar topic in the oneplus community forum.
Have somebody already experienced such problem? Or do you know what this problem could be related to?
Thank you for your attention, and my apologies for the long post. :angel:
I have the exact same problem. OnePlus 3T as well.
Am on Android 8.0 OxygenOS 5.0.8.
I have the same exact problem. Always root my OP3T and install TWRP and install latest Magisk (my routine procedures).
Running stock OOS 5.0.8 (Oreo 8.0) and also recently bought Audio Technica M50xBT.
Same problem:
- if "Phone audio" is enabled then Bluetooth gets stuck in ON/OFF loop.
- if "Phone audio" is disabled then Bluetooth works fine (cant use the extra calling related features ) ....
I hope the Androi Pi update coming out (they already have BETA but im not trying it) solves these issues.
Because this Oxygen version fixed my "CAR BT issues" in my B7 VW Passat (2012) - just to find out for new headphones something else is not covered in the "logic in the code" dammit.
@liuk5 I did not notice the batter part you mentioned "It happens systematically as soon as the headphones battery drops below 75% approximately. No issues when the headphones are fully charged. "
I will charge mine to 100% and check it out (but obviously thats not sustainable, plus constantly topping off the ATH-M50xBT battery would decrease the battery lifespan)

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