Use dark mode
You can set your mobile phone to use a dark theme so you can use your mobile phone in dark surroundings and not inconvenience other people. Furthermore, you can create a schedule for automatic change of theme at certain times.
Slide two fingers downwards starting from the top the screen.
Tap the settings icon.
Turn on dark mode
Turn automatic dark mode activation on or off
Tap Dark mode settings.
Tap the indicator next to "Turn on as scheduled" to turn the function on or off.
Tap the required setting.
If you select Custom schedule, follow the instructions on the screen to select the required period of time for dark mode.
Return to the home screen
Tap the Home key to return to the home screen.