improve low sound and sound quality by adjusting equalizer

[Mee9211]

Go to settings and search for sound quality and effect then Set equalizer in that way

[GOLUSURYAWANSHI1]

but when we use equalizer sound is slower than expected 😏😏

[Mee9211]

not in my device m 20 it make sound louder

[GOLUSURYAWANSHI1]

but in my device on7 prime it's have...