How to use True Tone and Night Shift on the iPhone and Mac

Your iPhone, iPad or Mac allows you to control the color temperature of your display for a more natural and comfortable experience.

How to Toggle True Tone On / Off in Control Center on iPhone & iPad

Shining some light on Apple's True Tone and Night Shift

How-To: Using Night Shift Mode on iPhone & iPad

How to Turn off Blue Light on iPhone

True Tone is struggling to recalibrate the brightness. Whenever I adjust the brightness manually it stops working. After a couple of days it goes back to normal condition. Is this a glitch

BYU Study Suggests Night Shift Mode Doesn't Help iPhone Users Sleep - MacRumors

How to make Night Shift act more like True Tone

Shifty - Get more control over Night Shift

How to turn True Tone on and off for macOS and iOS - 9to5Mac

What is a True Tone display?