Question
"My iPhone 13 keeps restarting, even when it is in the charger. I already did a hard reset and soft reset, turned it off and on, but nothing works. I don’t know what to do anymore. Within a minute or two, it shut off without warning and turn on again. Anyone can help?"

It's certainly unusual if an iPhone/iPad keeps restarting. Many users described it occurring without any reason, especially after a system update. However, if there have some glitches, there is no doubt that the iPhone/iPad keep restarting itself.

iPhone keeps restarting

But don't worry, in this post, I will show you what causes an iPhone/iPad keeps restarting and the practical methods to fix it. Move on right now!

Why Does My iPhone Keep Restarting?

Interrupted Update: If you update the latest iOS version incomplete, iPhone may keep restarting.

interrupted update on iphone

Full of storage: If the storage on your iPhone is almost full, clear iPhone storage to see whether it would stop restarting randomly.

iphone storage full

Expert for these reasons, things like Malware, damaged hardware, and system broken will cause iPhone keeps restarting itself also. Now, keep moving on to get the solutions!

5 Simple Methods to Fix iPhone Randomly Restart

1 Force Restart the iPhone

Hard reset is a very effective way to resolve the most common problems. Try to perform this trick and see if you are still experiencing the iPhone restarting issue. Force restart the iPhone first.

From iPhone 8 to 13: Press the Volume Up and Volume Down buttons quickly. Then keep holding the side button until you see the Apple logo on the screen.

Force restart iPhone X

For iPhone 7 or 7 Plus: Hold down the "Volume Down" button and "Power" button for at least 10 seconds, and set them loose on seeing the Apple logo appearing on their screen.

Force restart iPhone 7

For iPhone 6 to 6s Plus: Hold down the "Power" button and the "Home" button, for at least 10 seconds and let go of the buttons when the Apple Logo appears.

Force restart iPhone 6

2 Update to the Latest Version on iPhone

Your iPhone keep restarting again and again if you haven't updated the iOS version. There may be some inside error on your outdated iOS system. So just go to Settings on your iPhone, and click General > Software Update. If there is a new version available, click Install Now.

Check iOS Version of Your iPhone

3 Find and Remove Faulty Apps

If your Phone restarts after installing or updating any third-party app, uninstall the app to check whether your iPhone is still repeatedly restarting. If not, the app may be faulty. You need to remove it.

In addition, updating apps could also fix up some iPhone issues due to the installed outdated apps.

Updated apps to the latest version

4 Remove Your SIM Card out

Sometimes, when there is a problem connecting your iPhone with your wireless carrier, iPhone gets stuck in a strange restarting. Yes, pulling the SIM Card out of the device can break the issue.

To tackle this, remove your SIM card from the SIM tray using a paper clip or tray ejector pin supplied with your iPhone. If it resolves the problem, plug in the SIM card back and turn the device on. If the iPhone keeps restarting again, you may need to try the top three ways to fix the issue or get the SIM card replaced by your wireless carrier.

Pull Out Your SIM Card

5 Reset All Settings on iPhone

Reset all settings is another method to try if your iPhone/iPad keeps restarting.

To perform the method: Open "Settings" > "General" > "Reset" > "Reset All Settings". Enter the passcode, if asked. Your device's settings will be restored to the factory state.

reset all settings on iphone

Top 3 Ways to Fix iPhone 6/SE/7/8/X/11/12/SE 2020/13 Restarting Issue

1 Fix iOS Glitches If iPhone Keeps Restarting Loop (No Data Loss)

There is an efficient method to fix the iPhone keeps restarting issue no matter whether you get this problem suddenly or after updating your iPhone to the latest version. We recommend iMyFone Fixppo, a top-quality third-party software that helps fix all iOS issues.

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Fix iPhone keeps restarting issue with iMyFone Fixppo.

Step 1. Connect Your Device to Computer

Download and launch the program on your computer. Connect your iPhone to the computer and choose Standard Mode.

interface of iMyFone Fixppo iOS system recovery

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Step 2. Download Firmware

Follow the instructions to put your iPhone into DFU or recovery mode. Once your iPhone is detected, you can choose a firmware version to download.

download firmware

Step 3. Fix iPhone Keeps Restarting Problem

When everything is ready, the final step is to click on the "Start" button and the program will begin to repair your device. When the process gets finished, your iPhone will automatically restarts and the issue should be fixed.

Successfully fix iPhone Keeps Restarting Problem

Look, it is easy to fix the restarting problem of your iPhone, right? Just download it now to fix any iOS issue of your iPhone/iPad/iPod touch now.

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2 Restore the iPhone in Recovery Mode (All Data Erased)

If you don't want to use a third-party app to fix the phone keeps restarting issue, you can try to restore the iPhone in recovery mode.

Follow the steps below to restore your iPhone safely:

  1. Launch iTunes and connect your iPhone to the computer with a USB cord.
  2. Tap on your device's name on the left top corner.
  3. Then, hit the "Restore iPhone..." and then tap on "Restore" to confirm that.
  4. After the process completes, restart your device once before using it again.

Restore the iPhone in Recovery Mode

3 Repair the Hardware Problem

When all the above solutions go futile and the iPhone keeps rebooting, it would be right to say that it could be a hardware issue. You need to go to the Apple Store to repair the hardware problem with the high-tech team of Apple technicians.

Bottom Line

We found all the best possible ways and wrote here to take you out of the iPhone keeps restarting issues. Use these tips and see if your problem is fixed or not.

Try iMyFone Fixppo if you don't want to fix the problem manually or do not want any data loss!

If you have other tips to fix the issue that iPhone keeps restarting, please leave a comment here to help others out!