Why is there a blinking light on my iPhone?
That’s the proximity sensor, it’s how the phone knows you’re holding it up to your face when you’re on a phone call so it can black out the screen to prevent your cheek from pressing buttons.
It uses IR which is the reason your camera can see it but your eyes can’t, as others have mentioned..
What does it mean when your phone flashes purple?
If your device is blinking a colour that you don’t recognise (such as white, purple or pink), it is likely to be a notification from one of your apps. To change the colour, open the app, then go to the app’s settings menu to find out which options are available.
How do I fix the flashing light on my iPhone?
Many iPhone users have had success fixing their flickering iPhone screen by turning off Auto-Brightness. To turn off Auto-Brightness, open Settings and tap Accessibility -> Display & Text Size. Finally, turn off the switch next to Auto-Brightness!
Why is there a blinking light on my phone?
A blinking blue light may mean you have a Facebook notification waiting, while a blinking red light may mean your battery is low. Helpful though these Android notifications can be, their usefulness is hampered if two different apps are using the same color or if you simply don’t know what each blink means.