Night Shift automatically changes your display output to warmer colors after dark.
If you are accessing Night Shift settings from the Control Center, begin with step 2.
Night Shift is available on the following models:
iPhone X / XS / XS Max / XR
iPhone 8 / 8 Plus
iPhone 7 / 7 Plus
iPhone 6 / 6 Plus / 6s / 6s Plus
From the Home screen, navigate to: Settings > Display & Brightness > Night Shift.
To set up a time schedule for Night Shift, tap the Scheduled switch to turn on or off .
You can also choose to start Night Shift immediately by tapping the Manually Enable Until Tomorrow switch just below the Scheduled section.
Tap the From/To field then tap one of the following (enabled when a check mark is present):
Sunset to Sunrise
If you choose this option, enter the start and end times just below Custom Schedule.
Tap Night Shift (upper-left) to return to the previous screen.
If preferred, slide the bar near the bottom of the screen to adjust the warmth of the colors.