Full Guide to Fix Top Left iPhone Screen Blurry

People are always stuck with various screen issues when they are using iPhone, such as iPhone screen frozen, orange dot on iPhone screen, pink screen, etc. A new screen issue comes into our horizon-- the top left screen on iPhone turns blurry. There are so many posts on Apple community that said their iPhone appeared a blurry square on the left top of the screen.

People are confused because the issue has occurred to their iPhone without any signs, completely unexpected. Why is the top left of my iPhone screen blurry? How to fix the issue? With this post, you can learn the reasons and solutions.

Part 1: Why Is There a Blurry Square on My iPhone Screen?

iPhone is blurry in top left corner if your iPhone has one of the issues listed below. It's best to learn the cause of the problem before you start fixing your iPhone.

1. Accessibility or overlay features: A blurry square is most often caused by Zoom, Magnifier, AssistiveTouch, Guided Access, or a third-party app that adds a floating overlay.

2. Picture-in-Picture or screen-recording glitch: A stuck PiP window (from YouTube, FaceTime, etc.) or a screen-recording preview can appear as a blurry square.

3. iOS software or UI bug: Temporary glitches after an update, app crash, or heavy system load can leave a blurred box on the screen.

4. Display or screen-protector issue: Physical screen damage, pressure marks, or a low-quality screen protector can cause a permanent blurry square.

Part 2: [Top 9] Solutions to Fix the Top Left Corner of the iPhone's Blurry

Now that we've covered the possible causes of the blurry top-left corner on your iPhone, let's move on to the solutions. The good news is that many of these issues can be fixed quickly with a few simple steps. Below are seven effective methods to help restore clarity and get your iPhone back to normal.

Solution 1: Restart or Force Restart iPhone

Restarting your iPhone can help you fix some of the issues that exist due to application running or system glitches. If your top left of screen is still not working, go to force restart your iPhone. Force restart can fix something that the normal restart cannot fix, such as iPhone isn't responding and stuck in an application or other situation. Try to restart or force restart your iPhone with the steps here.

Restart iPhone:

• For iPhone X, 11, 12, 13, or later: Go to press and hold volume down and the side button, then slide off the button to restart your iPhone.
• For iPhone 6, 7, 8, or SE (2nd or 3rd generation): Go to press and hold the side button when power-off slider appears, and slide the button off to fix top left corner of iPhone blurry.
• For iPhone SE (1st generation), 5, or earlier: Go to press and hold the top button for a while, then slide the button off.

Force restart iPhone:

• For iPhone 8 and iPhone SE 2nd generation or later users: You need to press and quickly release the volume up button. Then, press and quickly release the volume down button. Last, press and hold the side button, and release it when the Apple logo appears.
• For iPhone 7 users: Press and hold volume down button and Sleep/Wake button simultaneously, and release them when the Apple logo appears.
• For iPhone 6s or iPhone SE (1st generation) users: Press and hold the Sleep/Wake button and the Home button at the same time, and release both of them when you see the Apple logo.

Solution 2: Switch the Display Mode

Changing the settings on Display might be useful to fix the blurry square stuck on the top left of the iPhone. The top of iPhone screen blurry can be fixed by switching the appearance mode on Display & Brightness. Here is the way for you.

1. Go to Settings.

2. Tap on Display & Brightness.

3. Switch the appearance from Light to Dark. If you're in Dark mode, switch it to Light and then turn back to Dark.

Solution 3: Update iOS Version

The software you have installed on your system does not give you a guarantee that no problems will occur on your system. On the contrary, issues always happen when the iOS system is running, and that's the reasons why Apple will release a new iOS version at certain times. The latest version is released to fix the issue that occurred in the previous version. So, you have the big success rate to restore your iPhone with the blurry top left on screen by updating your iOS version. The steps are provided as follows.

1. Go to Settings app on your iPhone, and tap General option.

2. Tap Software Update, and you can see Update Now button. Follow the on-screen prompts to update your iOS to the latest version.

Solution 4: Reset All Settings on iPhone

Resetting all settings on iPhone is a common approach that is used to fix many kinds of issues. This solution will restore your iPhone settings to the original one and without any data loss. If the top left corner of iPhone blurry is caused by an incorrect setting on your iPhone, you can fix it with this solution.

1. Go to Settings.

2. Select General and scroll down to tap Transfer or Reset iPhone.

3. Tap Reset and select Reset All Settings.

Solution 5: Fix Top Left iPhone Screen Blurry with TunesKit iOS System Recovery

If you've tried resetting all the settings on your iPhone, upgrading to the latest iOS version, or switching to display mode, and none of it has worked, using a tool to fix your system is highly recommended. A professional tool can help you easily fix your iPhone. Here, a professional iOS system repair software is introduced. TunesKit iOS System Recovery is a multi-functional iOS system repair tool that focuses on how to help users fix their systems and deal with different types of issues on the iPhone, iPad, and iPod.

Regardless of whether iPhone is blurry in top left corner, battery health is not working, the iPhone is stuck on the red battery charging screen, iOS updates are not showing up, iPhone calls are not working, or other system issues, TuensKit iOS System Recovery can completely fix them. This tool is used not only to fix iOS system issues, but also to reset devices without a passcode or on a frozen screen, to enter or exit Recovery Mode, and to upgrade or downgrade iOS versions.

It's worth trying this incredible tool to fix blurry squares on your iPhone. With TunesKit iOS System Recovery, you can easily deal with this issue on your iPhone. Here are the detailed steps on how to use this tool.

Step 1: Connect your device

Connect your iPhone to your computer with a USB cable, and make sure its connection is stable while you fix your iPhone. Click iOS System Repair start to fix top left iPhone screen blurry.

Step 2: Select the repair type

Choose Other Problems and click Start, then you can see two types of repair modes. Standard Repair does not lose data on your iPhone, and Deep Repair will erase all the data on your iPhone, so it's best to select Standard Repair first.

Step 3: Start to repair

Check your device's info and go to download the firmware package. Click Repair button to fix your iPhone when your computer has verified the firmware package.

Solution 6: Adjust App's Video Quality

If the top-left corner of your iPhone appears blurry while watching a video in a specific app, the issue can often be fixed by changing the video quality.

To do this, open the app's settings and select the preferred Video Quality option. This usually resolves the blurriness quickly.

Solution 7: Disable Night Shift on iPhone

If the top-left corner of your iPhone screen appears blurry, turning off Night Shift may help. Night Shift adjusts your display's color temperature at night to reduce eye strain, but it can sometimes worsen blurriness. To disable it:

1. Open the Settings app → go to Display & Brightness.

2. Tap Night Shift → toggle off Scheduled.

Solution 8: Examine Physical Damage

If your iPhone has been hit by a heavy object or fallen to the ground, the blurry square on the top may also occur. The broken screen cannot be fixed with the above solution, and the only way to fix it is to replace the screen with a new one.

Solution 9: Find Support from Apple

Apple support can give you a detailed guide on any iPhone issue, so it's a good option to find support from Apple. But if you need Apple's help, you will have to provide proof of purchase of your iPhone.

Part 3: FAQs about Top Left Corner iPhone Screen Blurry

Part 4: Summary

Figuring out what's causing the top of iPhone screen blurry can give you a lead on fixing the problem. You can try fixing your iPhone with the different solutions mentioned in this article. And the TunesKit iOS System Recovery is recommended for you due to its high success rate and user-friendly operation steps. I sincerely hope this article can provide you with some ideas for fixing your iPhone.