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Auto-Brightness Not Working on iPhone?

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Auto-brightness is a well-known iOS feature. The iPhone is equipped with an ambient light sensor that adjusts the screen brightness according to the current lighting conditions. The sensor detects when you move to dark areas and adjusts the screen brightness accordingly. The sensor will also increase the brightness if you are in a brightly lit area. This allows you to enjoy a better viewing experience. This feature not only reduces battery consumption but also makes it easier to charge your phone. However, the sensor is not always accurate. Sometimes the sensor might not be able to correctly read the surrounding environment, which can cause the screen to become too bright or dim. These tips will help you fix auto-brightness problems on your iPhone.

iPhone 2022: Fix Auto-Brightness Issues

Why is the Auto-Brightness not working issue on iPhone?

The auto-brightness of your iPhone’s screen could be due to a variety of reasons. The issue could be caused by a cracked or defective screen protector or dust clogging your ambient light sensor. A miscellaneous software problem could also cause your iPhone’s ambient sensor to malfunction and auto-brightness issues.

Top Tips to Fix iPhone’s Auto-Brightness Problem

1. Clean the iPhone Notch Area

Clean the area around the ambient sensor to repair it. The True Depth Face ID camera system’s built-in ambient light sensor can be found at the top of your iPhone’s screen. It is also known as the “notch”. To ensure that there is no gunk around the sensor, you can clean it with a soft, lint-free cloth.

It is important to fix the problem immediately if your iPhone’s auto-brightness does not work because of a dirty ambient sensor.

2. Turn off/ On Auto-Brightness

Sometimes, all that is needed to fix the auto-brightness issue on an iOS device is a soft reset. This simple but effective trick is worth trying. Here are the steps:

  • Navigate to Accessibility-> Display and Text Size in the Settings app. Scroll down to the bottom, and then turn off ” Automatic-Brightness“.
  • Next, restart your iPhone and navigate to the settings page as in step 1. Next, toggle the Auto-Brightness toggle.

3. Hard Reset Your iPhone

A hard reset can often resolve common iOS problems. This will allow you to remove temporary cache and files that may cause features such as auto-brightness not to work properly on your iPhone. This hack is also useful.

  • iPhone 8 and later: Press and release quickly the volume up button. Next, release the volume down key quickly by pressing and holding the power button. Next, hold down the power button and wait until you see the Apple logo.
  • iPhone 7/7 Plus: Press the power button and volume down buttons simultaneously until you see the Apple logo.
  • iPhone 6s/6s+ or older: Hold down the power and home buttons until you see the Apple logo.

4. Take out the screen protector

The auto-brightness problem on your iPhone is not solved by the above solutions. You can remove the screen protector. Screen protectors that are laser-cut do not come in many cases, especially the less expensive ones. Your screen guard could be the reason for the persistent problem.

After you have removed your screen protector, verify that the screen brightness adjusts to the lighting conditions in your environment. If the screen brightness does not adjust according to your surroundings, it is most likely that your iPhone’s screen protector was responsible. You can also check out the top screen protectors for iPhone 13 and iPhone 12 right here.

5. You can try turning off the night shift

We recommend turning off Night Shift if the auto-brightness problem is not resolved on your iPhone. It could be interfering with the auto-brightness function. Night Shift, for those who don’t know, automatically shifts your iPhone’s colors to the warmer end on the spectrum at night.

  • Open the Settings app and navigate to Display, Brightness, -> Night Shift. Turn off the ” Manually Allow Until Tomorrow” toggle. You should see a return to cooler colors on your iPhone screen. The auto-brightness problem should also be fixed.

6. Original iPhone Display Replacement

You should ensure that your iPhone screen was not damaged by an unlicensed service provider if it has been repaired recently. Third-party iPhone displays, especially duplicates, can sometimes be out of sync with FaceID (which causes it to stop working), True Tone, and auto-brightness. If necessary, you should contact your service provider and inquire about the display.

7. Reset all settings on your iPhone

If you are still having trouble with your iPhone’s settings, wipe them all and set them back to factory default. This is a great solution for complex iOS software problems. We will use it to fix the annoying auto-brightness problem with our iPhone.

  • In iOS 15 and later: Open Settings on your iPhone. -> General -> Transfer iPhone or Reset iPhone. -> Reset All Settings.
  • In iOS14 or earlier: Go to Settings on your iPhone.

8. Your iPhone Software Update

Given the recent iOS update’s bugs, it is possible that a software bug could cause the ambient light sensor not to work as intended. It could be causing your iPhone’s auto-brightness function to malfunction. If auto-brightness persists on your iPhone, you should update the iOS software.

  • Navigate to the Settings app of your iPhone. Scroll down to General->Software Update. Next, you can download and install iOS without any problems.

iPhone Auto-Brightness Issues [Fixed]

That’s it! Is the auto-brightness function working again on your iOS device now? These eight solutions should resolve this annoying issue for your iPhone. We would love to hear about the solution that worked for you. If you have any other solutions or hacks to fix the auto-brightness problem on iPhone, please comment below.

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