Nice work by N950FXXU5DSB2
Download File "mixer_gains.xml" and "mixer_paths.xml"
https://drive.google.com/file/d/1EJsHN9LyiUBe419O4EGYgDe4XEXqphVT/view?usp=sharing
https://drive.google.com/file/d/1Sj8S8VKt_9gNEHC0Jtq6tLdJPma-yujF/view?usp=sharing
Backup origin file "mixer_gains.xml" and "mixer_paths.xml"
TWRP copy file to "/system/etc/"
Restart phone enjoy!
Edit file "mixer_gains.xml" can increase handset volume power.(suggest value don't over 36) (40 is very loud!)
<path name="gain-media-speaker">
<ctl name="HPOUT3L Input 1 Volume" value="36" />
<ctl name="HPOUT3R Input 1 Volume" value="36" />
</path>
Download File "mixer_gains.xml" and "mixer_paths.xml"
https://drive.google.com/file/d/1EJsHN9LyiUBe419O4EGYgDe4XEXqphVT/view?usp=sharing
https://drive.google.com/file/d/1Sj8S8VKt_9gNEHC0Jtq6tLdJPma-yujF/view?usp=sharing
Backup origin file "mixer_gains.xml" and "mixer_paths.xml"
TWRP copy file to "/system/etc/"
Restart phone enjoy!
Edit file "mixer_gains.xml" can increase handset volume power.(suggest value don't over 36) (40 is very loud!)
<path name="gain-media-speaker">
<ctl name="HPOUT3L Input 1 Volume" value="36" />
<ctl name="HPOUT3R Input 1 Volume" value="36" />
</path>