iPhone devices are excellent in many ways, for instance, the Apple ecosystem, high level of security, etc. However, just like many smart devices, iPhones can occasionally have minor glitches, and some people find iPhone shutting off randomly even though there is still power. So why is my iPhone shutting off with battery left? How to fix the "iPhone shutting off randomly" issue? Just check out this article to find all the possible causes and fixes!

Part 1: Why Does iPhone Keep Shutting Off Randomly?

Why does my iPhone keep shutting off? Here we've collected all the reasons that lead to the issue. Just check them out.

1.Poor battery health

When you find iPhone shutting off randomly, there might be a problem with your battery. This is one of the most common reasons for the issue and if you find your iPhone's battery indicator shows enough power but it still shuts down, it can be that your battery is at the end of its life.

2.Low on storage

Why does my iPhone keep shutting off while playing music? It can be that your iPhone is running low on storage, for instance, below 3GB. It means the device simply does not have enough storage to support music playback or other features, hence it shuts itself off.

3.AOD bugs

Why does my iPhone keep shutting off and turning back on? It could be the bugs on AOD(Always On Display). The Always On Display setting is on by default on iPhone but the feature can be a bit buggy, which might result in the "iPhone shutting off randomly" issue.

4.Outdated iOS system

Have you updated your iOS to the latest system versions? If not, it could be the unfixed bugs that cause the issue. Updates on iOS can not only help fix the bugs but also improve overall performance. When you find iPhone shutting off randomly, check if your iOS is out of date.

5.Software incompatibility

Sometimes the app you installed is just not quite compatible with your iOS system, or maybe some apps are corrupted or one particular app is incompatible with others. All in all, they can meddle with the operating system and force your iPhone to shut off.

6.Hardware problems

Hardware problems could be a major reason that leads to the "iPhone shutting off randomly" issue. There might be unnoticed water damage to your device, or the screen has got internal issues when you accidentally drop it. Either way, you will need to check your hardware to verify it.

Part 2: How to Fix iPhone Shutting Off Randomly Error?

The previous parts have introduced all the causes of the "iPhone shutting off randomly" issue. So how to fix it? Here are all the solutions that prove to be effective. Just read on.

1.Check battery health

The first fix you should apply is to check your iPhone battery's health. You can head to the battery percentage indicator to learn more about your battery performance. Simply follow the paths here: Settings > Battery > Battery Health and you can have an overview of the battery status as follows.

2.Change iPhone's battery

If you see a very low maximum charging capacity or a note saying that the battery's health is significantly diminished under the "Peak Performance Capability" section, you can confirm that your battery has reached the end of its life. Now your only choice is to replace the battery.

3.Force restart your iPhone

If there is nothing wrong with your battery then the issue is most likely the result of a software problem. But worry not, you can force restart your iPhone, which is a quick fix to many temporary issues. Here's how to make it on different models.

  • iPhone 8 and later: Hold the Volume Up and Volume Down buttons then release them at the same time. Hold the Side button to turn off the screen and release the Side button when you see the Apple logo appear again.
  • iPhone 7, 7 Plus: Press the Power button and the Home button at the same time. When the Apple logo appears on the screen, release both buttons.
  • iPhone 6S, 6, SE, and earlier: Press and hold the Power button. And hold the Sleep/Wake button on top if you use the iPhone 5 series. Wait for about 10 seconds until the Apple logo appears.

4.Update iOS system

It's essential to update your iOS system, either for fixing the "iPhone shutting off randomly" issue or for the sake of security concerns. Usually, Apple will ask you to update by sending your notification. You can also go to Settings > General > Software Update > Download and Install to update your iOS system manually.

5.Repair iOS system(No data loss)

If your iOS is already up to date, then it's likely that there are some errors within the iOS system. At this point, IT experts might suggest you factory reset your iPhone and wipe out everything. The act might come with data loss if you haven't backed up your important files. However, this is supposed to be the final resort because there are useful methods you can try out now.

So is there a way to remove bugs and errors without erasing your iPhone? The answer is positive. Just try Leawo iOSFix, an all-in-one iOS system repair software that can help you fix 50+ iOS system errors quickly and safely. You can easily fix issues like iPhone unavailable, black screen, stuck in DFU mode, iPhone keeps restarting, iPhone no service, and many more.

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Compatible with all iOS devices, including iPhone, iPad, iPod, and Apple TV sets, Leawo iOSFix is the best solution for iOS errors. You can fix the "iPhone shutting off randomly" issue with two modes: Standard and Advanced. Both can provide the best system firmware solutions and fix the issue without data loss. With an intuitive interface, Leawo iOSFix is easy to use for everyone.

Here's how to fix the "iPhone shutting off randomly" issue with Leawo iOSFix.

Step 1. Connect iOS Device

Connect your iOS device to the computer with a USB cable. Launch Leawo iOSFix and your device will be detected. On the main screen, open the "Works on" drop-down menu to find the iPhone model supported by iOSFix.

Step 2. Choose Repair Mode

You can choose Standard or Advanced repair mode depending on your needs. You can go with the Standard mode first, and try Advanced mode when Standard repair fails.

Step 3. Download Firmware

Click on "Download Now" to download the proper firmware. If it fails, click the "Download" button to download it manually. Click "Select" to choose the downloaded firmware on your computer.

Step 4. Fix the "iPhone shutting off randomly" issue

After verification of your downloaded firmware, click on "Fix Now" to fix the "iPhone shutting off randomly" issue.

That's it. Now the "iPhone shutting off randomly" issue should be fully fixed without data loss.

6.DFU restore

Alternatively, you can try a DFU(Device Firmware Upgrade mode) restore, which might result in data loss. DFU restore requires you to use iTunes or Finder to bypass the iBoot bootloader and reinstall the iOS to rescue it from any misbehaving state. Just make sure you have backed up everything before you perform the DFU restore.

So how to make it? First off, plug your iPhone into your computer and enter DFU mode. Here's how to make it on different devices.

  • iPhone 8 or above: Quick press the Volume Up and Volume Down buttons. Hold the Power button. When the screen turns black, hold down the Power button and Volume down button. Wait for 5 seconds and release the Power button while holding down the Volume Down button. You will see a notification on iTunes that says a device was detected in recovery mode. Now release the button.
  • iPhone 7 or iPhone 7 Plus: Hold down both the Power button and Volume Down button. Release the Power button after 8 seconds while holding the Volume Down button. Now iTunes will alert you that a device is in recovery mode and you can release the Volume Down button to enter the DFU mode.
  • iPhone 6s or below: Hold down both the Power button and the Home button for 8 seconds. Release the Power button while holding the Home Button. Now iTunes will notify you that your iPhone is in recovery mode. Release the button to enter the DFU mode.

When your iPhone enters DFU mode and is recognized by iTunes, follow the on-screen instruction to restore your iPhone. Once the firmware is restored, your iPhone should be normal without the "iPhone shutting off randomly" issue.

7.Contact Apple Support

If none of the tricks can fix the issue or your iPhone has hardware issues, Apple is your best bet for getting help. Just contact Apple Support to learn more.

The End

Why is my iPhone shutting off with battery left? Now you should know all the causes and fixes. But if the problem is with your iPhone's software, Leawo iOSFix is the best solution. It can not only fix the "iPhone shutting off randomly" issue but also errors of all sorts without data loss! Just try it yourself.