Ambient display doen"t work

[CrazyKiD]

When i reacive a message, Whatsapp, Instagram or anything else, my display doesn't turn on! I had it working in previous versions, when bought a phone, but after updates nothing works!

Using default apps!

And default Album app doesn't work too - took a picture and instantly locked phone, and after that Album app started crashing!

Cleared cache, force stopped, reinstaled, reseted phone - nothing helped!!!

[Uliwooly]

@CrazyKiD

When you receive a notification the screen won't turn on, only the LED light, that's how Android work (iOS will turn on the display), if you are referring to something else, do elaborate. 

[CrazyKiD]

What difference is between Android and iOS?

In settings it says, When i reacive notification it activates screen!