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Why Your iPhone Screen Keeps Dimming and How to Fix It

Why Your iPhone Screen Keeps Dimming and How to Fix It

Why Your iPhone Screen Keeps Dimming and How to Fix It

If you're an iPhone user, you might have noticed your screen dimming at times, seemingly without reason. This can be a frustrating experience, especially when you're in the middle of something important. But don't worry, this is a common issue with a variety of potential solutions. In this guide, we'll explore why your iPhone screen might be dimming and provide step-by-step instructions on how to fix it.

Understanding iPhone Screen Dimming

The iPhone's screen dimming is not a malfunction, but a feature designed by Apple to save battery life and make the device more comfortable to use in different lighting conditions. However, if your screen is dimming more frequently than you'd like, or if it's dimming when it shouldn't be, there could be a few different reasons for this.

Let's delve into some of the most common causes of iPhone screen dimming, and how you can adjust your settings to prevent it from happening.

Auto-Brightness: One of the most common reasons for an iPhone screen to dim is the auto-brightness setting. This feature automatically adjusts the brightness of your screen based on the ambient light around you. If you're moving between different lighting conditions, your screen may dim or brighten accordingly.

If you find this feature more annoying than helpful, you can turn it off. To do this, go to Settings > Accessibility > Display & Text Size, and toggle off Auto-Brightness.

Low Power Mode: Another common cause of screen dimming is the Low Power Mode. When your iPhone's battery drops below 20%, it will suggest you to turn on Low Power Mode to conserve battery. One of the ways it does this is by dimming the screen.

You can choose to turn off Low Power Mode manually by going to Settings > Battery > Low Power Mode, and toggling it off. However, keep in mind that this will consume more battery life.

Fixing iPhone Screen Dimming

Now that we've covered the common causes of iPhone screen dimming, let's move on to the solutions. Here are some steps you can take to prevent your iPhone screen from dimming.

Adjust Screen Brightness: The simplest solution is to manually adjust your screen brightness. You can do this by swiping up from the bottom of your screen (or swiping down from the top right corner on iPhone X and later) to access the Control Center. From there, you can adjust the brightness slider as needed.

Remember, the brighter your screen, the more battery it will consume. So try to find a balance that works for you.

Disable Auto-Lock: Auto-Lock is another feature that can cause your screen to dim. This feature automatically locks your iPhone after a certain period of inactivity to save battery life and protect your privacy.

If you find your screen dimming too quickly, you might want to adjust or disable the Auto-Lock feature. To do this, go to Settings > Display & Brightness > Auto-Lock, and choose your preferred time interval or select Never to turn off Auto-Lock.

Reset All Settings: If you've tried the above solutions and your iPhone screen is still dimming, you might want to consider resetting all settings. This won't delete any of your apps or data, but it will reset system settings like Wi-Fi passwords and wallpaper to their default state.

To reset all settings, go to Settings > General > Reset > Reset All Settings. Remember to back up any important information before doing this.

When to Seek Professional Help

If you've tried all of the above solutions and your iPhone screen is still dimming, it might be time to seek professional help. There could be a hardware issue with your device that requires professional repair.

Before you take your iPhone to a repair shop, try contacting Apple Support. They can help you troubleshoot the issue and determine if your device needs to be repaired.


Screen dimming can be a frustrating issue, but it's usually easy to fix. By understanding why your iPhone screen is dimming and how to adjust your settings, you can ensure a bright and clear display for your device.

Remember, if all else fails, don't hesitate to seek professional help. Your iPhone is an important device, and it's worth taking the time to ensure it's working properly.

While you're taking steps to prevent your iPhone screen from dimming, don't forget to safeguard your device against physical damage as well. At Case Monkey, we offer a wide selection of durable and stylish phone cases for various iPhone models, ensuring your phone stays protected in every situation. Check out our products today and find the perfect case to match your lifestyle at an affordable price.