Have you been struggling with a display that keeps dimming despite your attempts to turn the screen brightness up? There are several possible causes for this problem, many of which can be easily fixed if you know what to look for!

In this article, find out why your iPhone’s brightness keeps changing and how to stop it from happening.

iPhone features that can affect brightness

If you find that your iPhone brightness keeps changing or dimming unexpectedly, don’t panic! It doesn’t necessarily mean that there’s something wrong with your phone. There are a variety of features that can affect screen brightness. It’s a good idea to check them all before jumping to conclusions.

Auto-Brightness

Generally, if your iPhone screen keeps dimming, it’s because Auto-Brightness is turned on. This feature automatically adjusts the brightness of your phone screen based on the surrounding lighting.

If you want to stop your phone from dimming automatically due to this feature, go to Settings –> Accessibility –> Display & Text Size and toggle off Auto-Brightness. You’ll see a warning that turning off Auto-Brightness can affect battery life. This is because leaving your phone on maximum brightness all day will drain the battery faster than allowing it to adjust automa...

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