There is a small moon mark on vivo mobile phone. What happened?

If the status bar displays the moon icon, the status bar will display the moon icon, indicating that "Do Not Disturb" mode is turned on. When the Do Not Disturb mode is turned on, all incoming calls, messages and software notifications will be muted except those who are allowed to disturb. You can also set a time period to automatically turn on Do Not Disturb mode.

How to turn off Do Not Disturb mode:

1, slide down or up at the bottom of the screen to call up the control center, and click the "Moon icon" to close it;

2. Enter Settings-Sound and Vibration/Sound, Vibration and Silent Keys/Sound-Do Not Disturb Mode/Do Not Disturb/Focus Mode-Turn off the function switch.

If you have more questions, you can go to this link page to consult online customer service for details.