How to Fix iPhone Keeps Restarting Issue

Apple continuously released update to introduce new features and fix bugs. But sometimes, the updating process also bring some problems to users.

Many iOS users complaint that, iPhone 6 keeps restarting itself after installed iOS 11.1.

You may feel a little bit hard to fix that kind of iPhone problem. In some cases, you have to go to Apple Store and ask help from technology supports.

Actually, you can try fixing the iPhone keeping restarting issue by your own with a suitable guide. This post will list some effective solutions to fix iPhone keeping restarting step by step.

Iphone Keeps Restarting

Part 1: Why my iPhone keeps restarting

Before fixing iPhone restarting problems, let’s learn about the reasons why iPhone keeps restarting. There are two kinds of performances:

1. iPhone keeps restarting when using certain feature or app. You can use your iPhone for a while without problems. And when you open the app, your iPhone suddenly restarts.

2. iPhone stuck in a restart loop. It continuously restarts, and the Apple logo appears and disappears on the screen. You cannot access your iPhone at all.

The first type of restart is usually caused by apps and personal settings. And the second type of restart is the presentation of operating system errors.

Part 2: How to fix "iPhone keeps restarting"

In this part, we will tell you all the solutions to fix the problem of iPhone keeping restart. You can try them one by one until you get rid of this issue.

Solution 1: Update software to fix iPhone keeps restarting

Step 1: Head to "Settings" > "General" > "Software Update" to check if any software update is available.

Step 2: Tap "Download and Install" button and then follow the onscreen instructions to complete software update.

Software Update

If you cannot access your iPhone, you can try to update software using iTunes or third party software. According to Apple, you should turn off notifications when update to iOS 11.2.

Solution 2: Update apps to get rid of iPhone keeps restarting

Much like the software, developers launched updates for apps to remove bugs as well. If your iPhone keeps restarting when open certain apps, you should check and install the updates for your apps.

Step 1: Open App Store app on your home screen and go to the "Updates" screen.

Step 2: Tap the "Update" button next to apps to download and install it manually.

Step 3: If you want to enable automatic app update feature, go to "Settings" > "iTunes & App Store" and toggle the switch next to "Updates" to turn it on.

Update Apps

Solution 3: Check for faulty app and delete it

Another way to get rid of iPhone keeping restart due to certain app is to delete it directly, if it is not very important for you. There are two methods to remove an app from iPhone.

1. Tap and hold any app on home screen for a few seconds until switch to the editing mode. The tap the "Delete" button at left shoulder of the app to uninstall it.

2. Or you can go to "Settings" > "General" > "Usage", pick the app you want to delete on the list and then tap "Delete App". After that, you’d better reboot your iPhone.

Uninstall Apps from iPhone

Solution 4: Reset all settings to fix iPhone keeps restarting issue

Step 1: Open the "Settings" > "General" > "Reset" successively and tap "Rest All Settings" option.

Step 2: On confirmation dialog, tap "Rest All Settings" again to start removing personal settings from your iPhone.

Step 3: When it is done, reboot your iPhone to check whether the problem of iPhone keeping restart disappear.

Reset all Settings

Solution 5: Remove SIM card to solve iPhone keeps restarting

If there are problems with your iPhone’s connection to the wireless carrier, iPhone keeps restarting. Removing your SIM card is the simple way to troubleshoot this problem.

Insert a paper clip or needle stab into the SIM card tray hold, push the stab until the tray pops out. Insert the SIM card back or try another SIM card to resolve the problem.

Remove SIM Card

Solution 6: Clean up iPhone to remove the restarting problem

iPhone does not support SD card, so we have to store all files and data on limited internal storage. If there is no enough space for software running, your iPhone keeps restarting.

To clean up iPhone, go to "Settings" > "General" > "Usage" > "Mange Storage" to check the large apps. Then you can open each one and remove cache data.

To offload unused apps, go to the multitask screen and swipe each app in background upward to close it.

Manage Storage

Solution 7: iPhone keeps restarting when charging

If your iPhone keeps restarting during charging, accessories may be responsible for this issue. You can try to replace the Lightning port, charger, cable or battery.

You can contact Apple Support for the replacement of the battery. The out-of-warranty battery replacement service is $79 with additional shipping charge.

iPhone Restart Charge

Solution 8: Hard reset to fix iPhone keeps restarting

Step 1: If your iPhone keeps restart, head to "Settings" > "General" > "Reset" and tap "Erase All Content and Settings" option.

Step 2: Tap “Erase iPhone” on the confirmation dialog to start the process.

Step 3: When it is complete, your iPhone will reboot and display the welcome screen. Here you can get more details about how to hard reset iPhone.

Hard Reset iPhone

Solution 9: Restore iPhone to get rid of iPhone rebooting issue

Step 1: Plug in your iPhone keeping restart into your computer and start the latest version of iTunes.

Step 2: Click the “Device” button at upper left corner and then hit “Summary” on left sidebar.

Step 3: Locate to right panel and click the “Restore iPhone” button to do troubleshooting.

Itunes Restore iPhone

Solution 10: Professional iOS System Recovery to fix iPhone keeps restarting

iOS System Recovery is specially designed to deal with various system problems. If the iPhone keeps restarting issue is caused by iOS, you can try this tool to get rid of it. Now you can follow the guide to solve the iOS problem.

iOS System Recovery

  • Fix various software issues that cause iPhone keeps restarting in a few clicks.
  • Fix iPhone from DFU mode, recovery mode, stuck on Apple logo, headphone mode, etc. to normal state.
  • Perform iPhone red dead screen troubleshooting in Recovery mode and DFU mode.
  • Get rid of iPhone red screen issue without interrupting current data on iPhone or iPad.
  • Support iPhone 15/14/13/12/11/XS/XR/X/8, iPad Pro/Air/mini and iPod Touch.
  • Available to Windows 11/10/8/7/XP and macOS.
Download for WinDownload for Mac

Step 1. Launch iOS System Recovery

Double click the download button above, free download and install this iOS System Recovery on your computer. Launch and click on "More Tools" option. Then choose iOS System Recovery to start fixing iPhone keeps restarting issue.

iOS System Recovery

Step 2. Connect and check your iPhone

Connect your iOS device to it via a USB cable. Once connected, iOS System Recovery will automatically recognize your iPhone. You can check the detailed information of your device before fixing.

Detect iPhone

Step 4. Fix iPhone keeps restarting issue

This powerful iOS System Recovery will start fixing the iOS issue and get it back into normal condition automatically. After the whole fixing process, your iPhone will back to normal.

Repairing iPhone Keeps Restarting

Part 3: How to back up your iPhone data

The starting point of fixing iPhone keeps restarting is back up your iPhone first. We recommend Apeaksoft iOS Data Backup & Restore since it is easy to use for ordinary people.

Step 1. Install the iPhone backup tool to your computer

Download and install iOS Data Backup & Restore on your PC. There is a dedicated version for Mac. Connect your iPhone to the computer using the Lightning cable.

IOS Data Backup Restore Main Interface

Step 2. Set for iPhone backup

Click the "iOS Date Backup" button to continue. Then you will be present two options, "Standard backup" and "Encrypted backup". Make a decision and click "Start" button to go to the data type window. Here you can select any data types or all.

Select File Type

Step 3. Back up iPhone in one click

Click the "Next" button and input a location to save the backup. The program will do its job automatically. After that, you can view iPhone data on your computer at any time.


Based on the tutorial above, you might grasp how to resolve the problem of iPhone keeping restarting and won't turn on. Backing up iPhone with iOS Data Backup & Restore should be the beginning of troubleshooting. Hope our guide is helpful and you can handily fix iPhone keeps restarting issue after reading this page.

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