
For iOS 12 and iOS 13: Tap and hold on the Brightness slider to access additional options, then tap on the little sun/moon icon that says Night Shift to toggle the feature off or ON.

Next, what you do depends on what version of iOS you have:.Access Control Center on iPhone or iPad, on iPhone X and iPad that means swiping down from the top right corner, on older iPhone models it means swipe up from the very bottom of the device screen to access the Control Center.The fastest way to turn on Night Shift, or to turn it off, is to access Control Center on any iOS device: How to Enable or Disable Night Shift on iPhone & iPad from Control Center Night Shift requires the latest version of iOS to be installed on the iPhone, iPad, or iPod touch, versions earlier than 9.3 do not have the option available. Using Night Shift is extremely easy and you can quickly toggle the feature on and off anytime in iOS and iPadOS, or you can set it on an automatic timer as well to turn itself on with sunset and sunrise.
