Settings : Display
2.
Select when to turn on Bedtime mode.
3.
Touch Customize.
4.
Turn Grayscale on
Turn it off
To temporarily switch back to regular colors from grayscale,
To stop automatically changing to grayscale at night, go to Settings > Digital Wellbeing & parental
controls > Bedtime mode > Customize and turn Grayscale off
Change screen timeout
Change when your screen turns off
1.
Go to
Settings
> Display > Advanced.
2.
Touch Sleep and select the time of inactivity before your phone sleeps.
Tip: Set a shorter time to
Stop automatic rotation
Prevent screen from rotating
Open quick settings
and turn
In this mode, you can manually rotate the current app. Turn your phone the direction you want, then touch
in the corner.
Allow screen to rotate
To allow rotation for all apps,
You can also adjust this in Settings > Display > Advanced > Auto-rotate screen
Tip: If your home screen isn't rotating but Auto-rotate is on, then check your home screen settings.
Touch & hold a blank spot on your home screen, then touch Home settings > Allow Home screen
rotation.
.
extend battery
life.
Auto-rotate off.
open quick settings
open quick settings
.
and turn
Auto-rotate on.
and touch
.
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