1. It may be that we accidentally put the phone into our pocket and pressed the volume button. Here we click on the settings.

2. When you get to Xiaomi’s settings interface, sound and vibration are also turned on.

3. We saw that all three sounds were accidentally turned off.

4. We can open them separately.

5. Because of the player. We are listening to music and there is suddenly no sound. It may be that the network is not good and the music player has automatically paused. Click to open the player.

6. We will click on the icon in the middle.

7. After clicking, if the phone sound is not turned off, there will be sound.