[2026] How to Fix iPhone Keeps Restarting Itself in 9 Ways?

An iPhone that keeps restarting can mean several different things: a one-time crash, an update loop, an app conflict, low storage pressure, charging trouble, or hardware damage.

This guide helps you identify the restart pattern first, then choose the right fix instead of applying every method to every iPhone restart problem.

Quick answer

If your iPhone keeps restarting itself, first note when it restarts: during startup, every few minutes, while charging, or after iOS 27. The pattern decides whether to remove apps, check storage, repair iOS, restore, or contact Apple for hardware service.

The restart pattern matters. A loop at the Apple logo points toward iOS or restore failure; restarts every few minutes often point to storage, app, battery, or hardware; restarts only while charging point toward cable, port, or battery issues.

If your iPhone keeps restarting itself, the problem may lie in the glitchy iOS system or the damaged battery and other components inside. You can fix your device with 3 powerul methods below, please go through and choose the suitable solution.

1 Fix iPhone Restarts On Its Own

iMyFone Fixppo is most recommended when the iPhone keeps restarting after iOS 27, a restore attempt, or a failed update. It combines Standard Mode repair, firmware download, recovery mode tools, and built-in backup/restore, which makes it a strong first repair choice before erase-based restore when the symptoms look software-related.

It is especially useful for restart loops tied to iOS corruption, Apple logo loops, failed updates, and recovery-mode problems.

Fix iPhone Keeps Restarting Itself:

• Software Loop Repair: Useful for iPhone restart loops after an update, restore failure, Apple logo loop, or recovery-mode issue.
• Built-in Backup & Restore: Helps protect and restore important data when the iPhone can still be detected.
• Guided Workflow: Gives step-by-step repair guidance for iPhone stuck in boot loop and related iOS problems.
• Wide Compatibility: Compatible with recent iOS versions and iPhone models, you can rescure your iPhone right at home.
• 150+ System Issue Coverage: Fixes a wide range of iOS problems, including iPhone won't turn on after iOS update, iPhone flashing Apple logo, recovery mode, and boot loop.
• Free to Use: Able to get iPhone into/out of recovery mode with 1-click for free.

Steps to fix iPhone keeps restarting again and again with Fixppo:

Step 1: Download Fixppo and launch it, choose Start repair to fix this iPhone restarting randomly issue.

Step 2: Choose Standard Mode when the iPhone is detected and you want to try a lower-risk software repair before restore.

Step 3: Fixppo will show you the latest firmware file, you can click Download button to get it, which will then be used to fix your iPhone.

Step 4: Now, click the Start Standard Repair button to fix iPhone keeps restarting every 5 minutes. Wait for the process to finish and see if the problem is fixed.

When the process completes, let the iPhone restart and test whether the loop is gone. If it keeps restarting or shows hardware symptoms, move to service instead of repeating repair.

You can also watch this video to learn the detailed steps for fixing iPhone keeps restarting.

2 Fix iPhone Keeps Restarting After iOS 27 Update with Finder / Apple Devices / iTunes

Computer restore can help firmware failure, but it can erase data. Use Finder, Apple Devices app, or iTunes only after backing up what you can and trying update before restore when offered.

But as this method will erase all your iPhone data and settings, please double-check and make a complete backup of your data.

Here's how to fix iPhone keeps restarting and not turning on with iTunes.

Step 1: Open iTunes and make sure that it's in the latest version, then connect your iPhone to the computer.

Step 2: Depending on the model, follow the below ways to put your constantly rebooting iPhone into recovery mode.

Tips

If you find your iPhone unable to go into recovery mode, you can try to enter this recovery mode with Fixppo with 1-click, which is totally free to use.

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Step 3: iTunes will automatically detect and pop up the window with the following message. Click the Restore button and iTunes will begin to reset your iPhone to factory settings.

Step 4: The process will remove all your device data while fixing the iPhone keeps restarting after iOS 27 update issue. You can set up your iPhone and see if still your iPhone restarting by itself after that.

3 Ask Apple Support to Fix Hardware Damage

Apple service is the right path when restarts follow water damage, swelling, overheating, repeated charging failures, or a device that the computer cannot detect.

At this point, you can only send your phone to an Apple repair center for troubleshooting. And please remember to back up before sending it for repairing.

Sometimes it can be the incompatible apps or the wrong settings that make your iPhone randomly restarts while you're using or charging it. Here, we'll provide 6 basic ways to help fix this problem

1 Re-insert SIM Card

Yes, pulling the SIM card out of the device may help to fix the iPhone restarts on its own issue.

To tackle this issue, please remove your SIM card from the SIM tray using a paper clip or tray ejector pin. After a while, re-insert the SIM card and restart your phone to see if it stops restarting itself.

If the problem exists, you may need to get the SIM card replaced by your wireless carrier or get your iPhone restored.

2 Delete Faulty Apps

Delete recently installed apps or configuration profiles if the iPhone began restarting after a new app, VPN, or work profile. App-level crashes do not always require iOS repair.

These apps and the iOS may not compatible with each other, thus making your iPhone X/XS/XS Max/XR/11/12/13/14/15/16/17 keeps restarting. And deleting them can fix the problem easily.

3 Update Outdated Apps

Sometimes, updating the apps can help to solve some iPhone reboot problems caused by installing outdated software.

And it's suggested to update the apps you often use, which can be a great move to avoid iPhone problems like iPhone restarting again and again.

4 Force Restart iPhone

For minor iPhone problems, force-restarting your iPhone can be an effective solution. By removing potential system glitches, you may be able to fix it when iPhone keeps rebooting.

Best Tool to Fix iPhone Restarts On Its Own

If force restart does not stop a software restart loop and the iPhone is detected by a computer, Fixppo can guide a repair attempt before erase-based restore. No data loss.

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5 Update iOS System

Install the latest iOS 27 update if the phone can stay on long enough. Later builds often resolve crash and compatibility issues from the first release window.

Step 1: Go to Settings > General > Software Update.

Step 2: When a new version is available, click the Download and Install buttonto get the software.

6 Reset All Settings

Reset all settings can also be an easy fix to iPhone keeps restarting randomly after unlocking or other situations, as some wrong settings will make your iPhone stop running normally and stuck in reboot loop.

Unlike "Erase All Content and Settings", Reset all settings won't erase your iPhone data but the settings you tailored for your iPhone.

Step 1: Go to Settings > General > Transfer or Reset iPhone.

Step 2: Hit Reset > Reset All Settings > Enter the screen passcode.

Step 3: Wait for your iPhone to reboot and re-set up your iPhone by your habits.

Why does my iPhone keep restarting?

Common causes include iOS update failure, low storage, faulty apps, battery problems, charging accessories, water damage, or hardware faults.

What should I do if my iPhone keeps restarting every few minutes?

Free storage, remove recent apps, update iOS, and reset settings if the phone stays on long enough. If it loops during startup, use repair or computer update.

Can water damage cause an iPhone restarting again and again?

Yes. If restarts began after liquid exposure, stop software troubleshooting and get hardware service.

How to fix when iPhone keeps restarting while charging?

If your iPhone is exposed to water, you should use a clean cloth to wipe it. Then dry the whole device especially the charging post. Don't charge it when it's not dried and cleaned fully.

Do not treat every restart as the same fault. Software loops after iOS 27 can be repaired, app/storage crashes can often be fixed on the device, and charging or water-damage symptoms need hardware attention.

If the restart loop began after iOS 27, a restore, or a failed update, iMyFone Fixppo can be a practical repair path before restore. If the pattern points to battery, charging, water, or board damage, get hardware service instead.

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Article by

Melvin Cooper

Melvin Cooper has over 10 years of experience in the technology industry and is an expert at providing tips and handy solutions to Apple and Android users. Dedicated to helping millions of users improve their experience with mobile devices, he has maintained an impressive record of solving problems.