Volume Increase Mod for the OnePlus One.
This Mod boosts headphone, speaker, and in-call volume.
Values were edited in the mixer_path.xml found in system/etc.
This Mod is for 4.4.4 Aosp roms, PA, Slim, Cm11,etc all seem to share the same xml file.
*Stock CM11s Volume Mods are now available.
Default [All stock values. This is basically a revert zip.]
Default+ [Stock Values for Headphone and Speakers. Increased In-Call Volume Value set to 93]
Med+ [Headphone and Speakers with values set to 88. Increased In-Call Volume Value set to 93]
Loud+ [Headphone and Speakers with values set to 92. Increased In-Call Volume Value set to 93]
1. Download Volume Increase Mod.zip here.(Madhi rom users flash zips provided by zephik down below.)
2. Flash Zip in recovery. Wipe dalvik and cache.
3. Reboot and enjoy!
Soundboost for Madhi ROM by zephik
Madhi Rom seems to have a different mixer_path.xml file. Thanks to zephik.
Go here- http://forum.xda-developers.com/showthread.php?p=54676861
Disclaimer-Flash this at your own risk. Only you are responsible for your device.