By default, yours iPhone automatically adjusts the brightness of your screen based on the amount of light around you. The less light there is around you, the dimmer your display gets – but maybe you don’t want that.
Even when it’s dark, it’s a good idea to keep your iPhone’s brightness on because it helps you see what’s on the screen, whether you’re reading an article or watching a movie. However, fixing this problem isn’t always as easy as disabling an auto-brightness setting – although it’s a good place to start.
In this guide, we will show you two settings that you need to disable to prevent your iPhone from auto dimming. And how your iPhone might adjust its brightness even with those two settings turned off if you’re not careful.
While you’re here, be sure to check out as well The Most Annoying Things About Your iPhone (And How To Fix Them). And this 10 Hidden iOS 16 Features That Will Make Your iPhone Experience So Much Better.
Disable auto-brightness first
Yes, this might seem a bit obvious, but the first thing you want to do is make sure you have auto-brightness disabled in your settings. The feature is pretty self-explanatory – it automatically adjusts your brightness based on the light around you. However, if you want to prevent your display from always trying to adjust, you need to disable this feature.
In the Settings application, go to Accessibility > Display & Text Size and turn off Automatic brightness at the end of the page. You would think that this setting would be present in screen brightnessso it’s not uncommon for auto-brightness to turn on without you really knowing, as it’s hidden Accessibility.
Auto-brightness is hidden in Accessibility settings.
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If your brightness keeps adjusting automatically, you need to turn off another setting.
You must also disable True Tone
If you have an iPhone SE (2nd generation) and later, the True Tone feature can measure the color temperature and brightness of your environment and then adjust the display accordingly. True Tone is useful – not only does it help show colors more accurately in different lighting situations, it’s also easy on the eyes, which is what you need if you’re constantly reading on your phone.
Again, if you don’t care about the feature, don’t use it, or just get annoyed that your brightness keeps auto-adjusting, you’ll need to turn it off. In settingsgo to screen brightness and turn off right sound under the brightness headers. As long as auto-brightness is also disabled, disabling True Tone should prevent your iPhone from automatically adjusting your brightness.
If auto-brightness is disabled and your display continues to adjust itself, this may be the cause.
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However, there is one exception.
Don’t let your iPhone overheat
Your iPhone has several ways to protect its internal components, and one of them is automatically dimming your display. Even if you have both Auto Brightness and True Tone turned off, if your iPhone overheats The display intensity is adjusted automatically.
Apple says you should use your iPhone in temperatures between 32 and 95 degrees F (zero and 35 degrees C) and store it in temperatures between 4 and 113 degrees F (between 20 below zero and 45 degrees C) to prevent this. If you leave your iPhone in your car or on the sidewalk on a hot day, there’s a good chance it will overheat, causing your display to automatically dim.
You will see a warning message when your phone gets too hot.
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However, overheating does not only occur on a sunny day. A bad battery could be causing your iPhone to overheat: go to settings > battery > Battery status and charging and see if your battery needs replacing. Another reason could be buggy software: go to settings > Generally > software update and make sure you are always on the latest update to fix software bugs and issues.
