TL;DR:
Is your iPhone screen flickering or blinking unexpectedly? This guide explains the possible causes and provides effective solutions to fix the issue quickly.
iPhone is known for its smooth performance and high-quality display. However, some users may encounter an iPhone screen flickering issue, where the screen flashes on and off, brightness changes randomly, or the display becomes unstable. This problem can be caused by various reasons, including iOS glitches, incorrect settings, insufficient storage, problematic apps, or hardware damage.
If your iPhone screen keeps blinking or flickering, you don't need to worry. This guide will explain why this issue happens and provide effective solutions to help you fix the iPhone screen flickering problem quickly and easily.

An iPhone screen flickering issue does not happen without a reason. It can be caused by software errors, display settings, storage problems, or hardware damage. Here are the common reasons why your iPhone screen keeps blinking or flashing:
If your iPhone screen starts flickering because of iOS system glitches, failed updates, software conflicts, or unknown system errors, using a professional iOS repair tool can be an effective solution. iOS System Recovery is designed to diagnose and repair various iPhone system problems without deleting your existing data.
Unlike factory resetting your iPhone, this tool can fix system-related issues while keeping your photos, contacts, messages, and other personal files safe. Even if you are not familiar with technical operations, you can complete the repair process with simple on-screen instructions.
Key Features of iOS System Recovery:
How to Fix iPhone Screen Flickering via iOS System Recovery?
01Install and open iOS System Recovery on your computer, then connect your iPhone to the computer using a USB cable. Select "iOS System Recovery" from the main interface.

02Click the "Start" button and follow the instructions displayed on the screen to put your iPhone into Recovery Mode or DFU Mode. This allows the program to detect and repair the iOS system properly.

03After your device is detected, confirm the iPhone information and download the matching firmware package. Then click "Repair" to begin fixing the system. Once the process is complete, your iPhone should restart normally, and the screen flickering issue should be resolved.

Why are there green lines on your iPhone? How do you fix green lines on the iPhone screen? You can browse this article to find the desired answer.
How to Fix Green Lines on iPhone Screen? Proven Solutions Are Here
If your iPhone is flickering nonstop, then try force restarting it. It could help resolve the problem and make the phone work normally. Here are steps to do that:
iPhone 8/SE 2nd Gen and later:
Step 1. Press and quickly release "Volume Up" key. Do the same with "Volume Down" key.
Step 2. Press the "Side" key and release it when you see the Apple logo.
iPhone 7/7 Plus:
Step 1. Long press the "Volume Down" and "Side" keys simultaneously.

Step 2. Release them when you see the Apple logo on your phone.
iPhone 6s/SE 1st Gen:
Step 1. Long press the "Side" key and the "Home" key simultaneously.

Step 2. Release them when the Apple logo shows on the screen.
See Also: Is your iPhone water damaged? Don't worry, you can check how to recover data from water damaged iPhone (with or without Backup).
If you find the screen is flickering in green color, it could be considered a performance problem related to your iPhone's memory. For a new iPhone, a user will say that there is enough storage space. Then it means a downloaded application is causing the issue by taking a huge amount of storage. Ensure you check the memory and storage on your iPhone. Here are the steps:
Step 1. Open the "Settings" app on your iPhone, then click on "General" > "iPhone Storage".

Step 2. Click on the option to check more information about the storage used by apps and the available memory. You can remove the application you aren't using if the storage space isn't enough.
Another solution for flashing iPhone screen issue is to disable the auto brightness function. This is like a tweak that has proved to work for most users. Therefore, it will be ideal if you give it a try. Here are the steps:
Step 1. Open the "Settings" menu of the iPhone and head to "General" > "Accessibility" > "Display Accommodations".

Step 2. Toggle the slider to turn off the "Auto-Brightness" option. Also, you may drag this slider in the control center to increase/decrease your screen's brightness.
Further Reading: iPhone with a broken screen? You may need to learn how to control iPhone with broken screen effortlessly.
At times, your phone's background could lead to problems with the screen leading to a shaky iPhone screen. You should try enabling the reduce transparency feature in the device's settings to resolve this. Here are the steps:
Step 1. Head to "Settings" and tap on the "Accessibility" option.
Step 2. From there, head to "Display & Text Size".

Step 3. Tap on the "Reduce Transparency" option.
An outdated iOS is also another reason for the shaking iPhone screen problems. Make sure you update the phone's software when an update is available. Here's how to do that:
Step 1. Head to the "Settings" menu and click on "General".
Step 2. Tap on "Software Update" and click on "Automatic Updates". Enable "Download iOS Updates".

Step 3. Click on "Install the iOS Updates", and the latest iOS version will update on your phone automatically.
Sometimes, a specific app may conflict with iOS and cause your iPhone screen to flicker, freeze, or behave abnormally. This usually happens with outdated, incompatible, or recently installed apps. You can try updating the app first. If the problem continues, removing the app may help fix the screen flickering issue.
Step 1. Find the application on the Home screen.
Step 2. Touch and hold the app icon.
Step 3. Tap "Remove App" from the pop-up menu.

Step 4. Select "Delete App" and confirm the deletion.
DFU mode, also known as Device Firmware Update, is a state where you can put the iPhone into troubleshooting for issues like purple screen, white screen, blue screen, black screen, grey screen, etc. It may also upgrade/downgrade your firmware to the latest version.
It boosts the iPhone to be in direct interface with your iTunes, thus enabling you to easily access the repair features. This mode was designed as a tech expert function but is still pretty easy to use. Follow these steps to put the iPhone into DFU mode:
Step 1. Launch the iTunes application on the computer and switch off the iPhone.
Step 2. To put the iPhone into DFU Mode, hold the "Volume Up" + "Volume Down" buttons. Next, press the "Side" button. Hold these three buttons for about 10 seconds till your phone's screen turns black.

Step 3. Now press only the "Volume Down" key while holding the "Side" button for 5 seconds.
Step 4. Release the "Side" button and keep pressing the "Volume Down" key for 10 seconds.
The reason why you are getting the iPhone X screen flickering and the unresponsive problem might also be due to the iPhone's hardware. Though it is common to have a device with a hardware problem, especially after using a newly released device for some time, still it's rare.
Apple's focus is always on making quality mobile phones. However, if you get screen flickers and glitches on your iPhone and are sure it's not software problems, then the issue lies with the device's hardware. You may reach out to Apple support or a retail store where you purchased the device. They will help repair your iPhone.
iPhone screen flickering can be caused by various issues, including software glitches, incorrect settings, storage problems, or hardware damage. Fortunately, the solutions mentioned above can help you troubleshoot and fix this problem effectively. If the issue is related to iOS system errors, iOS System Recovery provides a simple and reliable way to repair your iPhone without complicated operations. Try the suitable method based on your situation and get your iPhone display back to normal.
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