How to Increase Speaker Volume on Samsung Galaxy S4

If you feel Samsung Galaxy S4 GT-I9500 device volume output is not loud enough??? If yes, here is method to increase output volume for you. The problem of low volume is universal to most Samsung Galaxy devices But low ringtone volume is not a problem at all but when you are out in a market or a crowded or noisy place and you are unable to hear the notification sounds, it does create problems for your business works.So, are you ready to upgrade Sounds Volume in device Please Read the given step.

Requirement:-

A rooted Samsung Galaxy S4 GT-I9500 {Step To Root}
Modded volume gain configuration file: Default_gain.Zip
Default volume gain file (to restore if anything goes wrong): Default_gain_backup.Zip
Install a good root file explorer app (see below) on your Galaxy S4. {Download App}

"I do not guarantee that it’ll work on all versions of the device"

"All Steps Proceed at your own risk"

Steps to Boost Samsung Galaxy S4 VOLUME:

Extract the “default_gain.zip” file and copy default_gain.conf to your device’s internal or external SD card. {Download Link Given In End Of Post}
Open the root explorer app and navigate to the system/etc folder. Here you will find the original volume configuration file for your phone. Backup the original volume gain file present on your Galaxy S4 by copying and pasting them to the external storage. You can later restore the original volume settings by restoring the files to the system/etc directory.
Now navigate to default_gain.conf, tap and hold it and select “Copy” option.
Navigate to the system/etc folder and paste the file here. When it prompts to overwrite the file, choose “Yes”.
When the file is copied, fix its permission to rw-r–r–. Tap and hold the default_gain.conf file and select “Permissions”. Now configure the permissions as shown below.
Finally, reboot the phone.