No volume control while on the phone - LineageOS Questions & Answers

Hello
With my Xiaomi Redmi Note 9S I cannot adjust the volume while I am on the phone, neither via the loudspeaker nor via the earpiece. The only thing that works is to turn off the sound completely.
I tried it with the standard phone app and with TruePhone with both the same. The participant at the other end can always be understood loudly, unfortunately quite loudly.
What's the problem here?
LOS 18.1 with the latest update from 25.3
Mfg Steubi

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I installed lineageos 16 on my Samsung A3 (2017). Everything worked out fine and I could finsish the installation successful. I used the phone already for some hours without a problem. Suddenly the speakers did a terribly loud and cracking noise, when I entered some things via the touch display. Always when I touched somethign on the display the cracking noise appeared. When I turned off the volume (and put it in vibration mode) of ingoing calls it was gone! So its not too annoying so far... But now, always when I want to listen to some music or so on, via loudspeaker, it is just terrible loud and a really bad sound.
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Try to find put another los build for ur device

Low volume during calls

Running on Xiaomi eu forever and now on the latest, but incall volume has gotten so low I can barely hear anything. Speaker volume is fine. I've tweaked an xml file as per instructions I found but it's done nothing to help. Any ideas?
FlamingGoat said:
Running on Xiaomi eu forever and now on the latest, but incall volume has gotten so low I can barely hear anything. Speaker volume is fine. I've tweaked an xml file as per instructions I found but it's done nothing to help. Any ideas?
Click to expand...
Click to collapse
all I can say is I agree in-call volume ear speaker is very low. Thanks for bringing this up. I just got this device after a long time. Any idea if this was an issue on miui11 or 10 android 9?
checked other versions-same issue
FlamingGoat said:
Running on Xiaomi eu forever and now on the latest, but incall volume has gotten so low I can barely hear anything. Speaker volume is fine. I've tweaked an xml file as per instructions I found but it's done nothing to help. Any ideas?
Click to expand...
Click to collapse
The last MIUi 11 20.3.26 also has the same issue. Maybe it is an Android 10 thing? I would like to try Android 9 with the latest available MIUI for that Android level to see if it was an issue there.
EDIT
I checked my Mi max3 with global Android 10-miui 11, and android 9 w/ miui 10 and miui 11-all have the same issue as in Android 10 with miui 12 (eu)...super low in-call volume. The mixer file does not offer many options as say in the past on other phones and older android versions. Wondering if there is another file that needs inspection/tweaking. All "solutions" on internet focus on bluetooth, or speaker or media volume using apps whatnot without addressing real issue (almost every thread digresses from the initial request-lol typical)
EDIT2
downgraded all the way to 8.1 Android MIUI 10 (10.0.1.0 OEDMIFH) same low volume issue. I cannot go further back in time due to the arb thing but guess low in call volume has always been an issue with this device. (recall getting this device back a couple of times over the years but do not recall having the sound issue-unless my memory does not serve me right-since others have reported it (also on EU miui board), it must be a prevalent issue)
Ok, I've solved this, was very simple after! The speaker at top of the screen must've been filled with dust! I ran a toothbrush over it and poked a few holes with a needle and it's working great now

how to fix low earpiece volume on Samsung s9

Hi,
I'm using a Samsung S9 (Exynos) . Since a few months the earpiece volume of the device is really low. I have checked the volume of the earpiece by dialing *#0#* and the earpiece is actually in good condition and the volume is really high. However, during calls and playing voice notes, the volume of the earpiece is really low. Is there any way to boos the volume of the earpiece? I have rooted my device recently to achieve this. I have looked at certain tutorials online and they suggest to change the "mixer_paths.xml" file of the device. However, I tried this and it is not working. Is there an alternative way? Can someone help me with this issue?

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