You can set your phone to flash your camera light, your screen, or both when you receive a notification (including calls) or an alarm sounds.
To flash the camera light, turn Camera flash on
.
You can't change the color of the camera light.
To light up the screen, turn Screen flash on
. If you want to change the color:
If you turn on Do Not Disturb to temporarily silence notifications, the lights will stay dark as well. When you see
in the status bar, Do Not Disturb is on and your lights won't flash.