iPhone Tips

Why Is My Lock Screen Black? Best 5 Fixes in 2024

by Sophie Green   Updated on 2024-03-25 / Update for  Fix iPhone

Did you just pick up your iPhone and saw a black lock screen staring back at you? If yes, then we understand how frustrated you are right now. Is it just a minor glitch or a deeper software problem? Or is it those software bugs causing troubles within the device? At this point, you’re questioning everything and asking yourself “why is my lock screen black”?

Don’t panic. In this article, you’ll find out exactly why your iPhone lock screen is black and what you need to do to fix the problem. By the end, we’re sure you'll have your iPhone lock screen all fixed.

Part 1: Why Is My Lock Screen Black?

If you’re wondering “why is my lock screen black and red?” or "why is my iphone lock screen blurred", Here are some possible reasons behind this problem.

1. Software Glitch: Sometimes a minor software bug or glitch can cause the lock screen wallpaper or image to fail to load. This can happen randomly or after a recent update.

2. System Update Issues: System updates, for both iOS and Android devices, can sometimes introduce bugs that misconfigured lock screen components.

3. Customization Setting: It's possible that a new setting you chose inadvertently resulted in a black lock screen.

4. Hardware Display Failure: In rare cases, a hardware issue with the physical display itself might be the culprit.

Part 2: How to Fix Black Screen on iPhone with 4 Useful Tips

In this part, we’ll discuss the top 4 useful tips to help you fix your iPhone black lock screen. Let’s start with a simple solution that might be all you need to do to fix the black lock screen on iPhone. We’ll then move onto more complex solutions that involve deeper repair of your device.

Fix 1: Charge Your iPhone

One of the most common reasons for a black lock screen after iOS 17 update on your iPhone 13/14/15 is simply a drained battery. So the first thing to do when your iPhone’s lock screen is black is putting it on charging. Connect your iPhone to a charger and wait for at least 15 minutes.

Once your iPhone is done charging, turn it back on by pressing and holding the Power button for a few seconds until the Apple logo appears on screen. If successful, your iPhone should turn on normally.

charge iphone

Fix 2: Force Restart iPhone

If you’re sure your iPhone’s battery is not dead, then there might be some temporary glitch within the device. These temporary glitches are common to occur and are nothing to worry about. All you need to do is perform a hard reset on your iPhone and it will be just fine.

Follow these steps to force restart your iPhone (8 or later):

  • Press and release the Volume Up button.
  • Then quickly press and release the Volume Down button.
  • Now press and hold the Power button until the Apple logo appears on screen.
  • Wait until your iPhone turns back on.

    force restart iphone

Fix 3: Restore iPhone via iTunes

If your iPhone’s screen is still black after force restarting, you can try restoring your iPhone via iTunes. Performing a restore via iTunes is an effective method that can resolve various software-related issues, including the iPhone black lock screen problem. However, it's essential to note that this process erases all data on your iPhone, so it's crucial to create a backup beforehand to prevent data loss.

Follow these steps to restore your iPhone via iTunes:

  • Use a USB cable to connect your iPhone to a Mac or PC.
  • Launch iTunes on your computer.
  • Once your iPhone appears in iTunes, click on its icon located near the top left corner of the iTunes window.
  • Click on the Summary tab.
  • Choose “Restore iPhone…”

    restore iPhone via itunes

After this has completed, set up your iPhone as a new device or restore it from a backup. By following these steps, you can effectively restore your iPhone via iTunes and potentially resolve the iPhone black lock screen issue.

Fix 4: Put iPhone into DFU Mode

Putting your iPhone into DFU mode is a more advanced troubleshooting step that allows for deep-level software recovery. In DFU mode, your iPhone can be restored to its factory settings or have its firmware reinstalled, bypassing the standard boot process.

To put your iPhone into DFU mode:

1.Connect your iPhone to PC or Mac via USB cable.

2. Now press and release the Volume Up button on your iPhone, then Volume Down button, long press Power button untill screen goes black, then hold Volume Down button for 5 seconds.

3. After 5 seconds, release the Power button, then press and holt the Volume Down button for another 5 seconds.

enter dfu mode

It is important to remember that timing is crucial when entering DFU mode. If you see the Apple logo appear during the button presses, it means you held a button for too long and need to start over.

Part 3: Fix iPhone Black Screen without Data Loss in One-Miniute

None of the above-mentioned fixes worked for your question about “why is my lock screen black and red?” or "why is my iphone lock screen blurred"? Don’t worry! Tenorshare ReiBoot is here to save the day. It provides a one-click solution to tackle a variety of software-related problems.

Tenorshare ReiBoot is the ultimate solution for resolving iPhone black screen issues without the risk of data loss. Whether your iPhone is stuck on a black screen due to software glitches, system crashes, or other unknown reasons, ReiBoot offers a quick and efficient fix to get your device back up and running in no time.

Here’s how to use Tenorshare ReiBoot to fix the black lock screen after iOS 17 update on iPhone 13/14/15.

  • Download and install Tenorshare ReiBoot on your computer. Connect your iPod with the computer via cable. Click “Start Repair” when the program launches.

    launch reiboot
  • Choose Standard Repair. Also, read the instructions below to know about the requirements of the tool.

    fix with reiboot
  • When Tenorshare ReiBoot detects your device, continue to download the latest firmware package by clicking Download. Wait for the firmware to download.

    fix with reiboot
  • Tap Start Standard Repair.

    fix with reiboot
  • Wait until the progress bar gets completed. You’ll see a confirmation message once it’s done. Click Done when it's finished.

    repair successfully

Part 4: How to Prevent iPhone Screen Turn Black Again?

Now that you’ve fixed the black lock screen on iPhone, you certainly don’t want this to happen again. Here are a few tips to help you prevent the iPhone black lock screen:

1. Regularly Updating Software: Outdated software can introduce bugs and glitches that might affect your screen functionality. New updates clear your device of these bugs.

2. Managing Storage: Limited storage space can lead to various performance issues, including a black screen. Regularly review your storage usage and free up space by deleting unnecessary apps, photos, videos, and other files.

3. Avoid Extreme Temperatures: Exposing your iPhone to extreme hot or cold temperatures can lead to black lock screen. So you should keep your iPhone at a moderate temperature.

4. Handle your iPhone with Care: 4.Physical damage from drops, bumps, or exposure to liquids can also cause display problems.


Now you’ve got the answer to your question, “why is my lock screen black”? In this article, we explored the top tips to fix your iPhone black lock screen - from basic steps like charging and force restarting your iPhone to more advanced fixes like restoring it or using Tenorshare ReiBoot to fix the problem. Additionally, we shared a few tips to prevent the black lock screen problem from happening again.

  Updated on 2024-03-25 / Update for  Fix iPhone

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