A message pops up in Vivo do not disturb mode.

After the Do Not Disturb mode is turned on, all incoming calls, messages and software notifications will be muted, and the mobile phone cannot be awakened when the screen is turned off. You can also set a time period to automatically turn on Do Not Disturb mode. After opening the do not disturb mode, a message will pop up, but it is silent;

How to set Do Not Disturb mode:

Origin OS/Funtouch OS 9.2/iQOO and above:

Enter Settings-Sound and Vibration/Sound, Vibration and Silent Keys/Sound-do not disturb mode/Focus Mode-Turn on the function; Bring up the control center and click the "Moon icon" to open it.

Funtouch OS 9.2: Go to Settings-do not disturb mode-Turn on "Manual".

Note: If it is necessary to close do not disturb mode, you can follow the above path.