Volume booster for Android 6.0?

Hello.
Is there any way to increase volume on Android 6.0?
At lollipop I was using mod but it not works at 6.0 after you lock device.
I have Elemental X 5.02 kernel and Super SU 2.52.
Thank you.

[APP][2.3+]The most beautiful and powerful Memory Booster for Android!

The most beautiful and powerful Memory Booster for Android! Memory Booster provides real time memory information. including:

1. Clean the memory and boost your phone
2. show the total memory size and used memory size
3. Monitor the real time Memory usage curve
4. show the total storage size and used storage size

Memory Booster is very beautiful and Support multi-theme switching, you can choose the theme you like. We will continue to provide more powerful features.

Download booster

Please if anyone knows the download booster on their note 4, well it's not on the Sprint note 5 ,how do I install it please do I need to flash other carriers Rom ?. Please A great feature disabled by Sprint