Blue Line on iPhone Screen? Here's How to Fix It!

Imagine you are about to send an important email to your manager, and suddenly you see a blue line on iPhone screen, and just in a second, the display goes off. You will instantly feel terrible, right? You must get worried when you see these lines on your screen. So, you can follow the instructions mentioned in this guide to fix this issue. It is a fact that such lines appear on the screen when it gets damaged from inside by falling on the ground.

When you notice blue lines on your iPhone screen, instead of getting panicked, follow some practical and easy methods that can resolve this issue in no time. But after reading all the instructions, if you still can't figure out how to fix it, you can consult a technician or Apple Support.

blue line on iphone screen

Reasons Why iPhone Screen Has Blue Lines

There are many reasons due to which you see a blue line on the iPhone screen. The most common is that the screen may have gotten damaged from inside. For instance, as we know, electronic objects are so sensitive, especially smart devices' screens. So, they may get damaged from inside when they fall on the ground and hit it hard.

When you drop your iPhone on a hard surface, check its condition. If its screen is broken from the outside, there are great chances of it getting damaged from inside too. If the LCD screen is damaged, the internal circuit may also get damaged. Due to this reason, you will see blue lines on iPhone screen after dropping on a hard surface such as the floor. Some other common reasons behind the blue line on the iPhone screen include:

1. Problem with hardware and memory

Sometimes, your iPhone does not work correctly even if you reset or restart it. The reason behind this issue may be that the internal circuit has been damaged or crashed due to having insufficient storage space. As far as the hardware is concerned, the logic board may also get damaged. As a result, you notice a blue line on the iPhone screen.

2. Issue in apps

Commonly, smartphone users have to face issues with the applications stored in their phones. This issue mostly occurs with iPhone users, especially when they are using the camera apps. You see the blue lines on the iPhone screen when the iPhone is exposed to a powerful light. The reason behind the appearance of these lines may be that the camera apps have been corrupted, resulting in deteriorating your iPhone's functionalities.

Solution 1: Force Restart

The technicians have proposed many solutions for the problem of the iPhone blue line on the screen. Here are some of the best methods you can use to fix the blue lines appearing on the screen of your iPhone.

You can force restart your iPhone when you notice iPhone blue lines on screen. To undergo this process, you need to follow the following steps:

force restart

Step 1: Hold the Volume Up button and release it quickly.

Step 2: Hold the Volume Down button for a while.

Step 3: Press the Side button of the iPhone and release it when the Apple logo appears.

Solution 2: Clean the Screen

You may notice a blue line across iPhone screen because there is dust on the surface of the screen. So, it would be best if you cleaned the screen to resolve this issue. Follow these steps to clean the screen of your iPhone:

clean iphone screen

Step 1: Unplug all the cables with the iPhone and turn it off.

Step 2: Take a lint-free and soft cloth for cleaning purposes.

Step 3: Avoid using abrasives, ammonia, aerosol sprays, household cleaners, and window cleaners.

Solution 3: Update iOS System

Your iPhone might display the blue lines on the screen because the iOS needed to be updated. It is because the software has become old and needs an update to work correctly. So, you can follow these steps to update the iOS system of your iPhone:

update ios system

Step 1: Plug the iPhone with a power unit.

Step 2: Connect your iPhone with a Wi-Fi connection.

Step 3: Select the Settings icon present on your iPhone screen.

Step 4: Select General from the available options.

Step 5: Select Software Update and install it.

Solution 4: Enter DFU Mode

When you notice a blue line on your iPhone screen, you can resolve it by entering into DFU mode. After entering the DFU mode, you can restore your data using iTunes. For this purpose, you need a computer and a data cable. Follow these steps to test this method and its working:

enter dfu mode

Step 1: Use a USB cable to connect your iPhone with your computer.

Note: There is no restriction on the type of computer. It means it can be a Windows computer or Mac computer.

Step 2: Hold the Volume Up and Volume Down Button for a while.

Step 3: Quick-press the Side button of the iPhone until its screen goes black.

Step 4: Hold the Volume Down button and the Side button together for a while.

Step 5: Release the Side button after five seconds but not the Volume Down button.

Note: In this way, you will enter the DFU mode. If you see the Apple logo has appeared on your screen, it means you held the side button for more than five seconds. When you enter the DFU mode, nothing will be displayed on your iPhone screen.

Solution 5: Apple Support

If you do not know what to do when you notice blue lines appearing on your screen, you can consult Apple support. You will surely get a solution from there. All you need to do is to follow the simple steps below:

contact apple support

Step 1: Visit the official website of Apple Support.

Note: You will see multiple options regarding which you can get help from Apple Support. These options may include iPad, Watch, Mac, iPhone, etc.

Step 2: Click on the iPhone option. A webpage for iPhone Support will appear.

Step 3: Click on Get Support to contact the Apple professionals.

Step 4: Click on Contact Carrier or Contact Us to get connected with Apple technicians and get the solution to your problem.

Solution 6: Use Joyoshare UltFix

Joyoshare UltFix is considered the best method to use when you face the problem of blue lines appearing on your iPhone screen. It is regarded as a method that offers you the facility of protecting your data. You can solve your system's issues without the threat of getting the data lost.

It has been effectively designed to solve tvOS system issues and iOS system issues with dual repair mode. It helps the iPhone users solve several unwanted problems, including the issue where blue or red lines appear on your screen. Follow these steps to use Joyoshare UltFix for fixing the problem of blue lines:

Step 1: Connect your iPhone with your Windows or Mac computer using a USB cable.

download and install joyoshare ultfix

Step 2: Press the Entry Recovery Mode button present on your screen.

Step 3: Press the Start button to proceed with this method. When you enter the mode selection window, try to avoid losing your data.

Step 4: Select the Standard Mode and touch the Next button.

select standard mode

Note: You will see the information about your phone on the screen of the computer. You should check whether all the information is correct or not. You can change the parts which are wrong.

Step 5: Click on the Download button to download the firmware package that matches your iPhone.

download and verify the firmware package

Step 6: Click on the Repair button.

fix microphone not working on iphone

Note: You will see the package will be downloaded in a zip file. After clicking the repair button, this file will be unzipped. The downloaded program will automatically start fixing the blue lines that were appearing on your iPhone screen. These lines will be disappeared when the repairing process is finished.


The problem of the appearance of the blue line on iPhone screen is common as it is faced by many iPhone users. You do not have to worry about this issue. All you need to do is learn about different methods that can be used to fix this issue.

You can also consult Apple Support if you do not have time to learn about the methods to use for fixing the issue of blue lines on the screen. You can also visit a professional to get this problem fixed in no time. If you want to do it yourself, all you need to do is follow some simple steps to fix the blue lines on your iPhone screen.


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