Auto-Brightness Not Working on Your iPhone? Here Are 7 Ways to Fix It

Auto-brightness means you should n’t need to change your iPhone screen luminosity yourself. here ‘s what to do if it is n’t working. Auto-brightness ensures your iPhone ‘s screen luminosity levels adapt mechanically according to the light around you. For model, when you step out in the sunlight, the luminosity increases. And inside a room, it decreases. When your iPhone ‘s auto-brightness feature does n’t work, it can spoil your drug user experience and even consume more battery .
If auto-brightness is n’t working on your iPhone, you can use these solutions to fix it. Once that ‘s done, it should be more comfortable to use your iPhone during the day, night, and any other times .

1. Clean Your iPhone’s Notch Area

The ambient light detector is at the top of your iPhone screen. body oils, sweat, and other such sludge may stick to this detector when holding the earphone to your ear during long calls. Due to this, it may stop your iPhone ‘s ambient light detector working, which is what ‘s creditworthy for adjusting the sieve brightness according to your surroundings .
To fix this, use a clean, dry fabric to wipe the top part of your iPhone shield. After this, auto-brightness should work ticket. If not, follow the remaining solutions below .

2. Restart Your iPhone

If you have n’t turned off your iPhone in a while, it can cause a few problems, like auto-brightness not working correctly. To fix this, merely restart your iPhone. After the device powers on, everything should work equally well as it normally does .
MAKEUSEOF VIDEO OF THE DAY Related : How to Restart Any iPhone, even if the Buttons Are Broken

3. Enable and Disable Auto-Brightness

Another quick solution to fix the auto-brightness problem on your iPhone is to turn this feature off and on. here ‘s how to do that :

  1. Open Settings and tap Accessibility.
  2. Tap Display & Text Size.
  3. Turn off Auto-Brightness.
  4. Restart your iPhone.
  5. Go to Settings > Accessibility > Display & Text Size and enable Auto-Brightness.

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iPhone Settings Screen showing Accessibility

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Accessibility Settings on iPhone

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Auto-Brightness off in iPhone Settings

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When you ‘re running an older version of io, some previous bugs may placid be there causing issues. To fix this, you should update your iPhone to the newest version of io. This will ensure your device has all the latest features, wiretap fixes, and security system patches .
To update your iPhone, go to Settings > General > Software Update .

5. Try Turning Off Night Shift

In case none of the above solutions work for you, consider turning off Night Shift. For this :

  1. Open Settings and tap Display & Brightness.
  2. Tap Night Shift.
  3. Turn off Manually Enable Until Tomorrow and Scheduled.

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iPhone Settings Screen showing Accessibility

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Display & Brightness Settings on iPhone

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Night Shift Settings on iPhone

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6. Remove Any Thick Screen Protectors

Are you using an abnormally thick sieve defender on your iPhone ? If yes, it may cause problems with the smooth running of the ambient unaccented detector. To address this, consider removing your screen defender. If you must use one, opt for a screen defender that ‘s thinner, or medium thickness, alternatively .
similarly, if you have a casing that covers the entire front of the device, or even partially blocks the top detector area, remove that arsenic well.

7. Reset All Settings

When you reset all settings, personal data like download apps, music, photograph, video recording, and such wo n’t be deleted. however, all the settings you have customized to your wish will reset and return to the default options. This includes Wi-Fi, Bluetooth, VPN configurations, Home Screen layout, keyboard settings, and more .
After you reset all your settings, respective problems such as auto-brightness not functioning should be fixed. here ‘s how to do it :

  1. Open Settings and tap General.
  2. Tap Transfer or Reset iPhone.
  3. Tap Reset and choose Reset All Settings.
  4. Enter your device passcode to confirm.

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Transfer or Reset iPhone in iOS 15

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Reset Option in iOS 15 Settings

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All Reset Options in iPhone Settings

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Once it completes, your iPhone should adjust the riddle brightness correctly based on the light around you .

Problems With Third-Party iPhone Displays

Did you break your iPhone sieve and get it repaired at by an unauthorized service supplier ? If yes, it may cause multiple problems, like Face ID not working correctly, True Tone not functioning, and possible auto-brightness issues .
liaison Apple Support to get your device repaired by Apple authorized avail providers rather .

Auto-Brightness Makes Your iPhone Easier on the Eyes

After following the above fixes, your iPhone display should mechanically adjust the riddle brightness to match your environment, ensuring that the sieve is always comfortable to look at .
If auto-brightness silent does n’t work, you may want to turn off auto-brightness and adjust it manually until you get your device inspected at an Apple Store alternatively .

A person holding an iPhone with the Display & Brightness settings on screen
How to Turn Off Auto-Brightness on iPhone
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About The writer
613a14c342aed Author%20Ankur%20Thakur
Ankur Thakur
( 38 Articles Published )

Ankur has been an Apple user for more than seven years and focuses on iPhone how-tos, fixes, and tips. When not writing, he likes to watch The Office repeatedly. Ankur besides loves technical school videos, drollery and romantic movies, erstwhile songs, pizza, and chicken .
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