[HELP]Sound error when using headset - Xperia Z2 Q&A, Help & Troubleshooting

Hello all,,
I have some problem with sound when I plugged in the headset, please help if you are not busy.
(Sorry for my poor English)
Symptoms:
- No sound when turning on radio in normal condition, but when screen turn off or locked, it sounds normally.
- There's noisy sound when I plugin the headset in screen off condition, but when it turned on the noise is gone. (the noise is like click click click repeatedly)
I don't know these happen after I update to .314 or anything else, because the second symptom is not happening when first symptom first occur.
and now I find the fact that the noise is not occur when I turn on radio even in locked screen (turned off screen).
I do have some clear cache on radio app and restarts, I don't know what else to do so please can you help me??
Thanks,
Amri

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problem with c100 speakerphone

Hi, i have a problem with my c100 smartphone..
when i call with somebody, i dont hear him in front side repro but on back side like when i turn on speakerphone, but i didnt turn it on (speakerphone off).. i tried everything (turn it on, again off... reboot system...) but i still have this problem.. when i turn on speakerphone, nothing change... when i turn off speakerphone, nothing change, still i listen voice like spekarphone on..... help please smbody
..yes and i have wm 6.1 standard
heelp please
My mother's complains me today with same issue. I absolutely don't know,what she did wrong,but few days ago she asked me,why she isn't able to send SMS. The phone was in the flightmode(accidentialy?) and I turn the phone back on. Since that time the problem appears. Speakerphone is working correctly(icon appear and sound is much louder),but when I turn-off speakerphone,the sound keeps in rear speaker as it starts with call.
i also have this problem. Michale Quoc,
Thanks for comment
It is correct now. I don't know why,but it suddenly starts to work correctly. Strange...

[Q] Phone screen turns on and off automatically while listening music

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I recently flashed my phone with .73 Central Europe FW and strangely sometimes(not always) my phone wakes up while listening music. It turns on for some time and then turns off after a second this repeats 3-4 times and then stops.
Also i listen some creaking sound when the volume is full and the volume automatically sometimes becomes low and then suddenly high. Any ideas about this? Is my phone OK or did i messed up anything while flashing this FW?
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[Q] Sound "buzzing"

Hi,
I noticed, that whenever I playback a sound (music, video, ...) there is a constant buzzing that keeps on after the sound playback stopped for about 1-2 seconds. Do you have this problem as well? It's kinda annoying me.
If I remeber correctly I had the same problem with one of my previous devices, but I can't remember which device it was and if or how I fixed it
regards,
Hidden
Hidden92 said:
Hi,
I noticed, that whenever I playback a sound (music, video, ...) there is a constant buzzing that keeps on after the sound playback stopped for about 1-2 seconds. Do you have this problem as well? It's kinda annoying me.
If I remeber correctly I had the same problem with one of my previous devices, but I can't remember which device it was and if or how I fixed it
regards,
Hidden
Click to expand...
Click to collapse
Issue here aswell. From day 1 of purchase. Not a massive issue though as it's not there during music playback. Only after.
Are you using headphones or the internal speaker?
Hidden92 said:
Hi,
I noticed, that whenever I playback a sound (music, video, ...) there is a constant buzzing that keeps on after the sound playback stopped for about 1-2 seconds. Do you have this problem as well? It's kinda annoying me.
If I remeber correctly I had the same problem with one of my previous devices, but I can't remember which device it was and if or how I fixed it
regards,
Hidden
Click to expand...
Click to collapse
Hi, I face the same problem, the buzzing sound will appear after music/sound being played...It's very annoying...Anybody got the solution for this issue? I already format the phone and repair the firmware update using PC companion but still got the issue....
vipstyler said:
Hi, I face the same problem, the buzzing sound will appear after music/sound being played...It's very annoying...Anybody got the solution for this issue? I already format the phone and repair the firmware update using PC companion but still got the issue....
Click to expand...
Click to collapse
try and see if turning off clear audio and the other sound enhancements helps
I already try to turn off the clear audio and other sound enhancement, but still got the buzzing noise....
I had this problem with my C6806, sometimes it's gone after I changed few setting on audio effect, but still, it will come back. The problem persist after couple firmware update, so I think it's hardware problem.
I just got a new C6833 couple days ago, it's dead silent , no problem.
I think it's just randomly effecting some of batch.
same problem of static noise from speaker especially with battery below 50%, I think it's a software problem.

Speakervolume problem

If i start any music from the music app the volume is ok for like 0,5 seconda and After that the volume of the top speaker is almost not hearable. The other thing is sometimes i dont have the Problem. It seems like It just happen randomly. I dont know why and I really dont know how to fix it. I search a solution here but I couldn't find a solution.
So can someone help me?
Edit: Its not only happening in the music app. Also YouTube videos and in games the top speaker is almost not hearable
Have you reset your device? If you have, then it's probably a hardware problem
Sorry that i took so long to respond but the problem solved itself somehow. I also read in the sony forum and find something interresing of an official Sony Xperia support staff write.
I've got some more information about this and when the loudspeaker volume decreases after about one second, this may be caused by “Smart amplifier calibration”, a Sony Mobile protection system for speaker playback to prevent damages to the speakers. The system needs a calibration when you reboot your device the first time. This is why the received voice on the speakerphone appears to be unstable. The calibration takes about 45 minutes. It runs automatically in the background and doesn't affect the audio for normal phone calls.
Click to expand...
Click to collapse
Seems like these 45 minutes confuses some of us.

No sound when receiving call

From time to time it just happens. I hear nothing from the other side while they hear me ok and turning the speaker mode on also doesn't help. Only restart could fix it. It's not something new that happened during the latest update - it was like that for a long time. Is this some known bug and is there a fix?
Thanks
got the same problem now. did you find any fix?
Hi, I'm having the same issues as well.
When i make or receive calls, i can't hear anything from the receiver, unless i plug in my earpiece.
Also, my screen goes completely black and does not respond even when i press the power button, nor when i connect it to the charger. Any workarounds for this?
//running Nougat 7.1 on my 2-year old Sony z5c//

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