Hello, method
First open "Settings", enter the "Settings" interface, scroll down the page to find the "Music" option and click to open it.
After entering the "Music" interface, click "Equalizer" in the "Playback" area.
At this time, you can choose music. Here, choose the music "Late Night" to make the phone sound louder.
Summary: 1. Open "Settings". 2. Click on the "Music" option. 3. Select "Equalizer". 4. Select "Late Night" to make the phone sound louder.