The following is a brief demonstration of the steps.

Mobile phone: iPhone 14Pro

System: iOS16

Software: QQ Music v12.5.5

1. First, we open the phone and click Enter the QQ Music app.

2. Then we click on the song played below.

3. Then we click the ?: button in the lower right corner, as shown in the figure.

4. Finally, we click and slide to the right to turn up the sound.