With the "Do Not Disturb" mode, the LG device can be muted for a certain period of time (or permanently). Do Not Disturb" can be activated/deactivated either by schedule or by event (calendar) automatically. When the mode is activated, the LG device remains completely mute.

To receive calls, messages (SMS) or app notifications with sound despite this, exceptions (priorities) can also be added.

Note 1: This manual shows how to turn on/off manually.

Note 2: The "Do Not Disturb" mode can also be switched on/off using the quick settings.

Android 9 | LG UX 9.0
Step 1:  Open the  Settings
Step 2:  Tap on  Sound
Step 3:  Tap on  Do not disturb
Step 4:  Enable or Disable  Use Do not disturb
  1. Open the Settings
  2. Tap on Sound
  3. Tap on Do not disturb
  4. Enable or Disable Use Do not disturb

LG Instructions