Set sound options
- Open Sounds & Ringtones.
- Do any of the following: - To turn sounds on or off: Tap the switch at the top of the screen. The sound settings are hidden while sounds are off. - To set the volume: Drag the Volume slider. - To turn sounds for actions on your device on or off: Turn System Sounds on or off. - To turn the sound of keys on the onscreen keyboard on or off: Turn Keyboard Clicks on or off.
To mute your device from any screen: Open the system menu > Mute Sound. To turn sound back on, tap Unmute Sound.
To set the volume from any screen: Open the system menu > drag the volume slider.
Checked against the LuneOS code and installed apps. Nobody has tried these steps by hand yet, so tell us if something differs.