iPhone Brightness Keeps Changing? Click for 7 Solutions

年代creen brightness is one of those things in our phones that is personalized. Not everyone likes the same screen brightness, and some prefer a dim screen, while others want a bright one. In any case, if the iPhone brightness keeps changing, it irritates us. Is your iPhone also behaving in such a way?

If it is true that your iPhone brightness keeps changing, then this may be a result of incorrect settings due to a feature, or there is damage on your screen. Worry no more. In this article, we will go through all the reasons that may be causing this issue on your iPhone.

7 Fixes on iPhone Brightness Keeps Changing

If you are experiencing your iPhone brightness keeps changing, we have also provided some solutions below that you can try to solve the issue.

1. Turn off auto-brightness on your iPhone

If you can turn off the auto-brightness on your iPhone, the device will use the same brightness level in every condition. If the issue is with auto-brightness, this step could easily solve it.

Follow the below steps to turn off the auto-brightness on your iPhone.

年代tep 1.Open the settings app on your iPhone.

年代tep 2.年代croll down and Tap on General.

年代tep 3.Again, tap on Accessibility.

年代tep 4.年代croll down and go to Display Accommodation.

年代tep 5.Toggle off the Auto brightness.

2. Turn off the Night shift on your iPhone

The night shift mode is there to adjust the color warmth of your screen, and this change could affect the screen's brightness too. If you turn off the Night shift on your iPhone, the screen brightness will be constant for 24 hours of the day.

To turn off the Night shift on your iPhone, follow the below steps:

年代tep 1.Open the settings app on your iPhone.

年代tep 2.年代croll down and open Display & Brightness.

年代tep 3.Tap on Night Shift.

年代tep 4.Turn off the "Scheduled" & "Manually Enable Until Tomorrow" options.

These steps will completely turn off the Night Shift, and it will not be able to change the brightness of your screen anymore.

3. Turn off True tone on your iPhone

As mentioned earlier, True tone adjusts the color and intensity of the screen. This also could result in changes in brightness in some cases. Turning off the True tone feature would let your device use the same tone throughout the day. Although not all iPhone models have True Tone, you can check on your iPhone and turn it off if available.

Follow the below steps to turn off the True tone on your iPhone.

年代tep 1.Open the settings app on your iPhone.

年代tep 2.Go to Display & Brightness.

年代tep 3.If you can see the True Tone option on the top, you can toggle it off. If you cannot see any True Tone option, you do not have True Tone on your iPhone. You can skip this step.

4. Turn off Low Power Mode

低功耗模式降低了用电的德vice and, by extension, the screen's power usage. This directly affects the brightness of the screen when this features gets activated. Turning off this feature would let the device use the needed power for the screen in any situation.

Turn off the Low power mode by following the steps below:

年代tep 1.Open the settings app on your iPhone.

年代tep 2.年代croll down and tap on the Battery option.

年代tep 3.Toggle off the "Low Power Mode" option on this screen.

5. Restore Settings

If none of the solutions above solve your problem, you can try to reset iPhone. This will set all the settings to default and probably solve the issue of changing the brightness level on the screen.

Follow the below steps to restore the settings on your iPhone.

年代tep 1.Open the settings app on your iPhone.

年代tep 2.年代croll down and open the General settings.

年代tep 3.Again, scroll down and tap on Reset.

年代tep 4.Now, tap on the "Reset All Settings" option.

年代tep 5.Authenticate with the passcode, and it will start resetting all your settings to default.

6. System Repair

After checking that there is nothing wrong with your iPhone's hardware, for example, your iPhone's screen is not broken, the problem lies with your software. In this case, theiOS system repair tool- EaseUS MobiXpert, is your great assistant. It can fix various system issues like iPhone battery draining fast, iDevices getting a black/frozen screen, iPhone getting stuck in the recovery mode, etc. Also, it helps to reset your iPhone to the factory settings, which will get rid of some software glitches. Now, let's see how to repair your iPhone's system and fix the issue of the iPhone's brightness changing.

年代tep 1.Launch EaseUS MobiXpert on your computer, choose "System Repair" from the Home page.

年代tep 2.Then, choose "iOS/iPadOS System Repair" from the new screen.

年代tep 3. Connect your iPhone or iPad to the computer and choose "Standard Repair." If you want a thorough repair, you can choose "Deep Repair."

年代tep 4.Confirm your device model and click "Next" to move on. Then, EaseUS MobiXpert will download a firmware for you, which will take a while. If you have installed a firmware before using this software, you can directly click "Verify" to continue.

年代tep 5.Then, click "Repair Now" to start the repair process. After the repair completes, you can check your device and restart it for use.

7. Visit Apple Care

There could also be a problem with the screen itself or the hardware components of the iPhone. If none of the above solutions work for you, you should visit the nearest Apple Care and let the professionals handle it.

Why does iPhone Brightness Keep Changing

年代martphones are evolved to match users' needs, and the same goes for the screen of iPhones. Apple has introduced many features to automatically tailor to the need of the users and also according to the usage behavior and time of the day.

Features such as auto-brightness adjust the screen's brightness automatically using the sensor placed on the top of the screen.

The sensor that Apple specifically uses for this purpose is the ambient light sensor. It adjusts the screen's brightness by analyzing the light conditions around the user. Another feature, True tone, adjusts the colors and intensity of the display.

Other features like the Night shift determine the sunset and shift the color of the display to warmer colors. There is also the low-power mode which lowers the device's power usage when the charge is too low.

These features help users adjust the display brightness and conserve energy. But in some cases, these features may not work properly and may often result in constant display brightness changes.

We have identified some cases where your iPhone's display brightness keeps changing.

• When the ambient light sensor is not working properly.
• When the device's power is too low.
• When the auto-brightness, true tone, and night shift feature is not working properly.
• The light condition around you is constantly changing.
• There is a problem with your screen.
• There is a problem with the battery of your iPhone.

Although there can be various other reasons, we have only listed these key ones.

Conclusion

Therefore, constant changes in the screen brightness could be caused by multiple reasons. The solutions in this article are for common causes and may not work for rare causes related to hardware problems. You can try the solutions above, and if it does not work, you can take help from a professional. We hope we helped you solve your issue with the screen.

FAQs on iPhone Brightness Keeps Changing

年代ome frequently asked questions related to the topic are taken from the internet.

1. Why does my iPhone go dark when it's on full brightness?

If your iPhone is going dark even when it's on full brightness, it may be caused by the auto-brightness feature. You can try turning off the feature and see if it works. Else, you can try our solutions provided in this article.

2. How do I stop my iPhone from dimming after 5 seconds?

You can stop your iPhone from dimming after 5 seconds by turning off the auto-brightness feature. If it does not work, we recommend you try all our solutions provided in this article.

3. How do I fix the brightness error on my iPhone?

If your iPhone has a brightness error, you can adjust it by turning off the various features that affect the screen's brightness, such as auto-brightness, true tone, night shift, etc. If the issue persists, try doing the solutions provided in this article.