What To Do If Your iPhone Brightness Keeps Dimming?

I took out my iPhone and suddenly the brightness got dim. Agh! It’s so annoying for me to adjust the brightness over and over again. If your iPhone always keeps dimming, you have come to the best place for a solution. We’ll figure out how to fix it situation together.

Apple being a best-seller smartphone is well known for its unique and uncommon features. Auto brightness is one of them, that proves to be useful to some and at the same time bothers some of its users. If you want to get rid of this feature, read the post til the end.

Why Does iPhone Brightness Keep Dimming?

Before getting started with the fixing methods, it’s better to discuss the factors responsible for it. There could be several reasons why your iPhone keeps dimming. Let’s have a look at the reasons.

  • Low Power Mode is turned on.
  • Auto Brightness is turned on.
  • Night Shift is enabled.
  • Attention Aware feature is disabled.
  • Low Light Zoom filter is activated.
  • Overheated iPhone.
  • Outdated iOS version.

Methods You Can Apply

Here comes the main point of this whole post. What to do if your iPhone brightness keeps dimming? Our team of experts has analyzed this particular error carefully and here are all the troubleshooting methods to apply if your iPhone gets dimmer.

1. Turn Off Auto Brightness

Auto brightness is a feature that adjusts the radiance of your screen according to the lightning situations in your surroundings. If your phone gets dim on its own, check for your phone’s auto-brightness. To do this, heed these points.

  1. Unlock your iPhone.
  2. Go to the Settings.
  3. Then choose Accessibility from the menu list. iPhone keeps dimming - Hacktoday
  4. Select the Display and Text Size. iiPhone auto brightness - Hacktoday
  5. Scroll down to the Auto Brightness. 
  6. Slide the button to turn it off.

2. Disable True Tone

True tone regulates the colors and brightness of the screen. It may sometimes alter its roles and automatically dim your phone. So, you may also try this option to solve the issue of dulling. Here are methods through which you can disable it on your iPhone.

  1. After unlocking your iPhone.
  2. Open the Settings.
  3. Choose the Display and Brightness.
  4. Toggle the True tone to turn off.

Note: You can also turn it off by long pressing the brightness bar and then clicking on the True Tone option to switch it off.

3. Switch On Attention Aware

If you have turned off the auto brightness and true tone but still your iPhone gets dimmer. Then you have to look for the Attention Aware option as it prevents the phone from dim brightness issues. This feature is only available to iPhone X, XS, XR, iPhone 11, iPhone 12, and iPhone 13 due to the Face ID feature.

  1. Open your iPhone by Face ID or code.
  2. Launch the Settings.
  3. Scroll down to the Accessibility.
  4. Click on the Face ID and Attention. 
  5. Enable the Attention Aware features. iPhone brightness -
  6. Type the Passcode to confirm it.

Hope this will fix your issue and your phone will only get dim when you are not using it.

4. Disable Low-Light Zoom Filter

Do you wonder why does my iPhone screen keep dimming with auto brightness off? The most common reason for this may be that the low-light zoom filter is enabled in your settings. You can turn it off by attending some steps:

  1. Access the Settings after unlocking the iPhone.
  2. Select Accessibility from the menu.
  3. Tap on Zoom and select Zoom filter. iPhone keeps dimming -
  4. Set it to None.

5. Check Night Shift Feature

Another alternative left, is to check for the night shift feature. It warms the screen to protect your eyes, but, it is not concerned with your phone’s brightness. You can disable it by persuading a few modes.

  1. Tap on the Settings of your phone.
  2. Select the Display and Brightness. 
  3. Then, tap on the Night Shift. iPhone brightness keeps dimming
  4. Switch it off.

Note: Another quick method is to launch the Control Center. Grab the Brightness Bar for some time and switch off the Night shift option.

6. Turn Off Low Power Mode

Sometimes, the low power mode is turned on to save your battery life. It dims your screen more than normal. So, you have to fix this on your phone as it could be responsible of the dimming.

  1. Choose Settings on your phone.
  2. Select the Battery option.
  3. Turn off the Low Power Mode by the slider. brightness -

Note: An alternative method for this is, Go to the Control Center, and click on Low Power Mode.

7. Check iPhone Temperature

If you use your iPhone too much or expose it to sunlight for a longer period, it gets overheated. Consequently, you might see an issue of slowed or stopped charging. Also, it can dim your brightness automatically.

To correct this matter, you have to keep your phone in a cool environment. Power it off for some time and don’t use it until the temperature gets back to normal. It may help you out with your problem.

8. Restart Your iPhone

When nothing else works, a simple restart can save you from a great deal of panic. Moreover, many users have reported that they were able to eradicate this problem where iPhone keeps dimming automatically.

A simple restart can remove the temporary glitches and start your device afresh. This also implies fixing the abrupt dimming of brightness on your iPhone screen.

9. Run iOS Update

A better option is to adjust your phone brightness by updating the iPhone to the latest version. Because an outdated version can cause some glitches like brightness errors. Follow the steps below to perform an update.

  1. Launch the Settings.
  2. Choose General. iPhone keeps dimming - Hacktoday
  3. Tap on the Software Update.
  4. Then click on Download and Install.

10. Reset Your iPhone

One last option left for you is to factory reset your phone. Before doing so, make sure that you have a backup of all your data due to the fact that a restore deletes all your stored data permanently.

  1. Click on the Settings.
  2. Then tap on the General.
  3. Select Transfer or Reset iPhone. iPhone dimming - hacktoday
  4. Hit the Erase All Content and Settings option.


We have introduced all the probable techniques and strategies to resolve your screen-dimming issues. You can correct it by turning off the auto brightness. Moreover, you can do this by switching off the power mode.

The processes listed in this post are authentic and tested by our technicians. You can prefer any of them for your objective. Hopefully, we have conveyed the best perception and this will help you in the future too.

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