11 Ways to Fix iPhone Screen Dim at Full Brightness

Struggling with the iPhone screen that dims at full brightness can be a really frustrating experience, especially if you solely rely on your phone for personal or professional use. The issue may seem simple, but it can be caused due a number of software or hardware problems.

In this fixing guide, we are going to explore the common reasons for this issue and provide solutions to fix the dim iPhone screen even at full brightness.

Why does my iPhone Screen look dim even at Full Brightness?

Here are several possible reasons why your iPhone Screen is dim at full brightness:

  • Software Issues: Sometimes the dim iPhone screen could be caused by software issues with your installed iOS version, such as a glitch or a bug. In this case, you may need to update your iPhone to the latest available iOS version to fix the issue.
  • Display Settings: Misconfigured iPhone display settings can also cause dimming of the screen. There are a number of display and accessibility settings on the iPhone any of which, when enabled or disabled, can cause the screen to dim. We’ll explore those settings and their related solutions later in this fixing guide.
  • Hardware Issues: Damaged or malfunctioning backlight of your iPhone’s display panel can result in a dim screen. In this case, you may need to replace the screen or have it repaired by a professional.
  • Water Damage: Even though most iPhones come with IP68 water and dust resistance, if you are using an iPhone that doesn’t come with this certification or if your iPhone has been repaired in the past, there are chances that it has got exposed water or moisture. This can cause the iPhone display to dim. This is also a kind of hardware damage and in this case, you may need to have your iPhone repaired or replaced.

How to Fix an iPhone screen that is dim even at Full Brightness

If you are experiencing that your iPhone screen is dim at full brightness, here are some steps that you can follow to fix the problem:

1. Is your iPhone too hot

It is very important to be aware of the high ambient temperatures when using your iPhone (or any battery-operated device), particularly when it is exposed to direct sunlight or heat source. Such conditions can cause the device to heat up, leading to several issues.

And to tackle this, Apple makes sure their devices, including iPhones, regulate the temperature by reducing the performance, charging speed, and dimming the screen.

If you notice that your iPhone’s screen is dim all of a sudden, it is possible that your iPhone is experiencing high temperature and is trying to regulate it by dimming the brightness.

In such situations, it is advised to turn off your iPhone or refrain from using it for a while. Relocate your iPhone to a cooler environment and remove its cover, if any.

2. Restart your iPhone

It is very much possible that your iPhone software is experiencing some technical glitch. And in such a situation, a simple restart proves to be an effective solution.

To restart your iPhone that has no home button:

1. Press and hold both the volume up, Volume down, and power buttons at the same time.

2. Next, drag the power off slider and your iPhone will get turned off.

3. After that, press and hold the power button until the Apple logo appears, and wait for the iPhone to boot up.

To restart your iPhone that has a home button:

1. Press and hold the power button.

2. Now, drag the power off slider to turn off your device.

3. Finally, press the power button to turn on your device.

3. Check for iOS Update

It happens sometimes that Apple pushes a buggy iOS update that is prone to issues like dimming the iPhone screen. In that case, you should keep your eye on the next iOS update and update your device as soon as possible.

This is because if the issue is with the iOS update, then there is a very high chance that Apple would have resolved the issue in the next update.

To check for updates on your iPhone, follow the below steps:

1. Open the Settings app and go to General.

iphone general settings
iphone general settings

2. On the General settings screen, tap on the Software Update option.

software update iphone

3. Your iPhone will now check for updates. If there is any available, download and install it right away.

4. Disable Reduce White Point

The Reduced White Pount feature on your iPhone makes your iPhone look dimmer if enabled. It is possible you have intentionally or unintentionally enabled it and are now experiencing a dim iPhone screen.

Here’re the steps to check and disable it on your iPhone.

1. Open the Settings app on your iPhone and go to Accessibility.

iphone accessibility setting

2. On the Accessibility settings screen, tap on the Display & Text Size option.

display and text size iphone

3. Scroll down to the bottom of the screen ad toggle off the Reduce White Point switch.

5. Disable Auto-Brightness

Auto-Brightness, when enabled, ensures to automatically adjust of the screen brightness depending on the luminance of the surrounding environment. So, if you are indoors or if your ambient surrounding has dim light, your iPhone will also dim its brightness automatically.

To stop this from happening, you can disable the Auto-Brightness feature on your iPhone. Follow the below steps to do so:

1. Open Settings and go to Accessibility.

2. Next, navigate to the Display & Text Size option.

3. Scroll down to the bottom of the screen and toggle off the switch for the Auto-Brightness option.

turn on auto brightness on iphone
Auto-Brightness on iPhone

6. Disable True Tone

The True Tone feature of the iPhone can also lead to making you feel that the display is dim. True Tone, when enabled, ensures to match the screen color temperature to your ambient surroundings.

If you are in a warm environment then the display color temperature will also get adjusted accordingly and vice versa. You can try disabling True Tone to see if the issue is resolved.

To disable True Tone on your iPhone, follow these steps:

1. Open iPhone Settings and go to Display & Brightness.

2. Here look for the True Tone feature and turn it off.

Alternatively, you can also turn on or off the True Tone from the iPhone Control Center. Here’s how:

1. Open the iPhone Control Center by swiping down from the top-right edge of the screen.

2. Here tap and hold on to the brightness slider.

3. Now tap on the True Tone option located at the bottom-right of the screen.

7. Disable Night Shift

The Night Shift is yet another feature of the iPhone display. This feature ensures to reduce the blue light by increasing the warmth of the display. It is possible that the Night Shift is enabled on your iPhone and you are experiencing that the display is dim.

To address this situation, you can disable the Night Shift and check if it was the cause of the dim screen. To disable Night Sift on your iPhone, follow these steps:

1. Open the iPhone Settings and go to Display & Brightness option.

2. Here, tap on the Night Shift option.

3. On the Night Sift settings screen, toggle off the Manually Enable Until Tomorrow option. Doing so will disable Night Shift until tomorrow.

You can also schedule the timing of the Night Shift to enable it automatically for the set time frame. For this, toggle on the Scheduled option and set the time.

Additionally, you can set the warmth of the Night Shift if it is too hard by sliding the Color temperature slider to the left or right accordingly.

Alternatively, you can also turn on or off the True Tone from the iPhone Control Center. Here’s how:

1. Open the iPhone Control Center by swiping down from the top-right edge of the screen.

2. Here tap and hold on to the brightness slider.

3. Now tap on the Night Shift option located at the bottom of the screen.

Now, increase the brightness of your iPhone and check if it is still dim. If it is, then proceed to the next solution.

8. Disable Low Power Mode

Low Power Mode on your iPhone is to save battery juice when it is too low. Low Power Mode, when enabled, reduces the performance, background processes, Display brightness, and a lot more to save the battery.

You can check if the Low Power Mode is enabled by looking at the yellow battery icon. The Low Power Mode gets automatically disabled once the battery reaches 80% or above and the battery icon turns green.

But if your battery percentage has not hit the 80% mark then the Low Power Mode will stay enabled until you manually turn it off. So, if you have sufficient battery juice, here’s how you can disable Low Power Mode.

1. Open the iPhone Settings app and go to Battery.

battery settings iphone

2. On the Battery settings screen, toggle off the Low Power Mode switch to turn it off.

disable low power mode iphone

You can also disable Low Power Mode from your iPhone Control Center and tap on the Low Power Mode tile (yellow battery icon).

9. Enable Attention-Aware Features

If you have an iPhone that has Face ID then your iPhone additionally comes with Attention-Aware features. This feature, when enabled, your iPhone will not f=dim its screen when you are looking at the screen.

So, if your screen is dimming automatically, it is possible that the Attention-Aware Features option is disabled on your iPhone. To enable it, follow the below steps:

1. Open the Settings app on your iPhone and navigate to Face ID & Passcode.

face id and passcode iphone

2. Enter the passcode of your iPhone to authenticate.

3. Finally, toggle on the switch for the Attention-Aware Features option.

10. Reset iPhone to Factory Default

Lastly, if nothing works in your favor, try resetting all the iPhone settings. Doing so will delete all your iPhone settings you customized and reset them to the default ones.

Doing so won’t affect your personal data like images, videos, contacts, music, etc. To reset iPhone settings to default, follow the below steps:

1. Go to General in your iPhone Settings app.

ios settings general fix photo shuffle

2. Scroll down and tap the Transfer or Reset iPhone option.

transfer or reset iphone settings

3. Again, scroll down and tap on Reset.

reset iphone settings

4. Select Reset All Settings from the menu that pops up and follow any on-screen instructions.

reset all settings iOS 16

11. Contact Apple Support

If you have tried all of the above steps and the problem persists, it may be time to contact Apple support for assistance. They can help you diagnose and fix the problem or advise you on the best course of action.

You can also contact Apple Live Chat support for better assistance or can visit your nearest Apple Store.

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Posted by
Bhanu Pratap

Hi! I am Bhanu Pratap, co-founder of Yorker Media Group. A die-heart fan of tech and keeps track of every little happening of the same. When not writing, I usually keep myself busy on YouTube making and exploring new and awesome tech content.

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