3 Ways to Fix Auto Brightness Not Working on iPhone

Pankil is a Civil Engineer turned freelance writer. Since his arrival at Guiding Tech in 2021, he delves into the world of how-tos, and troubleshooting guides for Android, iOS, and Windows. Besides his new-found love for mechanical keyboards, he’s a disciplined footfall fan and loves international travel with his wife.

Try Basic Fixes

Fix 1: Toggle Auto-Brightness

Another thing you should do is disable and re-enable the auto-brightness feature on your iPhone. Here’s how:

Step 1:Open theSettingsapp on your iPhone and head toAccessibility > Display & Text Size.

Step 2:Scroll down to the end of the page and turn off the switch next toAuto-Brightness.

Fix 2: Disable Low Light Mode

If you’ve been using the Screen Zoom feature on your iPhone to enhance readability, it could be preventing the auto-brightness feature from working correctly. Specifically, if the low light mode is enabled, it will consistently keep your iPhone’s brightness low. Here’s how to change that.

Step 1:Open theSettingsapp and head toAccessibility > Zoom.

Step 2:Make sureZoom Filteris set toNone.

Fix 3: Turn Off Night Shift

Similar to Screen Zoom, theNight Shift featurecan also interfere with the auto-brightness function and cause it to stop working on your iPhone. If you’ve been using this feature to reduce blue light, consider disabling it with the following steps:

Step 1:Launch theSettingsapp and go toDisplay & Brightness.

Step 2:Tap onNight Shiftand turn off the toggles next toManually Enable Until TomorrowandScheduled.

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Last updated on 16 May, 2024

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