Turn up the volume. How come?

By setting, enter the font size and thickness, and drag it to the right to make it larger. I'll tell you how to open it. Take the mobile phone model: vivo y3 1s as an example.

The specific operation steps are as follows:

1. Open the settings on your phone, and then click Display and Brightness below.

2. Then click the font size and thickness.

3. After entering, click | Resize and drag to the right to enlarge.

If you want to turn down the volume, you can drag it to the left to turn it down.