Not every setting on your iPhone is helpful all the time. Auto-brightness is intended to make it easier to see your screen, even if the light around you shifts. Sensors adjust the brightness reading ...

Your MacBook does not know better than you. Apple's macOS has an infuriating habit of automatically changing the computer's screen brightness level, seemingly at random. No, it's not all in your head.

So you've realized that your iPhone's screen dims on its own. What's happening there? Is there something wrong with your phone? If you're looking for answers to such questions, you're not alone.

In this guide we’ll show you how to quickly enable, or disable, auto brightness on MacBook Pro and MacBook Air. We’ll also show you how to manually adjust your screen’s brightness if you turn auto ...