Raising the incall volume - mixer_paths.xml - ZTE Axon 7 Questions & Answers

Does anyone know which part of the mixer_paths I can tinker with to raise the volume/s of the ear speaker for louder incall volume (so I can hear the caller at the other end much louder).

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Tmo Wing speaker and earpiece volume

i make my own ringtones, but when their set it sounds kinda low are there any hacks to improve the sound on the ringtone or on the phone. and now i notice that the earpiece is low as well are there any hacks to improve the volume

Can I increase the call volume?

Since I was a child, my left ear can hear better than right one.
Loud volume for left ear will be normal for right.
But, SGS can't produce loud volume.
So, I can't hear from it with my right ear.
It's won't be a problem if I'm not a right-handed.
So, is there anyway to increase the call volume? (Front Speaker)

[Q] Speaker Quality

Anyone else noticing that the sound out of the speaker is a little muffled? Also the phone rattles quiet annoyingly in the hand when the speaker volume is raised and any adjustment of the hands changes the sound since it echoes off of it.
No sounv is great. But how loud this speaker. I dont see in /etc file for moding loud volume hack.

Low volume call with earphones

I don't know if it's only me, but this volume call using earphones is very low, I can barely ear the other side.
As I've to use them for professional purposes, I'm asking if I can change any configuration to increase the volume call.

Increasing volume of in-call (ear speaker) + out call (bottom) speaker

Does anyone know of a mod to increase the in-call speaker (top speaker) as well as the out-call speaker (bottom speaker) so that I can hear the caller louder and they can hear me nice and loud too. Or at least a guide of how to adjust those particular settings only. Am assuming they will be on either the mixer_paths or mixer_gain files. I looked but not easy to find which is which.
There are a few mods on increasing normal audio volumes when playing music and the like but seems no one making custom ROMs bothered, or don't know how to.
Any suggestions much appreciated.

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