iPhone Problems

iPhone Keeps Restarting after iOS 17/16 Update? Here's The Fix

by Jenefey Aaron   Updated on 2023-09-01 / Update for  Fix iPhone

I have an iPhone 13 that was working fine when I started using it, but now it keeps restarting itself and I’m not sure what to do."

-- Apple Support Communities

iPhone has very stable performance, but now and then people ask for "iPhone keeps restarting when trying to restore", or "my phone keeps restarting itself after newest update". It could be disastrous when it gets wrong with our device. So we are here with 8 methods to fix iPhone keeps restarting issue. If you have the issue because of iOS 17/16 update, then these methods are perfect for your reference!

Part 1. Why Does My iPhone Keep Restarting

The very common issues are like iPhone 11 keeps restarting. And why this happens? Well, there can be numerous answers. And before you get out of the iPhone randomly restarts problem, and fix your iPhone or iPad that behaves abnormally, check the following to know why your iPhone keeps restarting:

  • A recent update to newest iOS version
  • Hardware failure
  • Any software bug like iOS 15 bug
  • Installed third-party apps or fishy and fake apps in your iPhone
  • Cold weather

Part 2. 8 Solutions To Fix iPhone Keeps Restarting

Before using tips below to fix iPhone restarts itself, you'd better backup your iPhone because some tips will erase all data on your iOS device. If you don't want to lose a bite of data, then we strongly suggest you directly use the Solution 7.

Solution 1: Hard Reset Your iPhone

Sometimes, by performing a hard reset simply takes away the bug. So if something is making the iPhone 12 keeps restarting, you can hard reset your device to make it work normal. Follow below steps to perform a hard reset and solve iPhone keeps restarting issue.

If you own iPhone 13 to 8, swiftly press the volume up button and then the volume down button, then press the side button until you see the Apple logo displayed.

force restart iphone

If you own iPhone 7/7 Plus, press and hold the Sleep/Wake button along with the volume down button. Release once the Apple logo is shown. For earlier iPhone models, hold the Home and Power button.

force restart iphone

Solution 2: Remove Faulty Apps

Why my phone keeps restarting over and over iPhone? Sometimes the issue can be related to the apps in your device. A few apps may be faulty and have bugs, responsible for the "iPhone keeps turning off and back on". So simply find such apps and delete them from your phone.

  • Go to Settings > Privacy > Analytics > Analytics Data. Scroll down the list to find any apps appeared.
  • If you can find one app there, go back to Home screen and long press the faulty app icon that you wish to remove. Tap on Remove APP > Delete to confirm.
  • If the app icon jiggles after you long press the app icon, tap on the Remove icon at the top left corner of the app icon > Delete App > Delete to confirm > Done

Solution 3: Update to the Latest iOS Version

If your iPhone keeps restarting and get stuck on iphone reboot loop, some glitches in the software or operating system may lead your device to it. Hence, if you have not updated your device to the latest iOS 15.2, this is the right time. New iOS update might have some patches or fixes for issue.

Here is the step-by-step guide to update your device and solve iphone keeps restarting itself problem.

  • Head to the Settings and then go to General. Click on the "Software Update" option.
  • If you do not have the latest version, download it. The installation process will begin automatically.

    update ios version

Solution 4: Reset All Settings

Reset all settings on iPhone is an easy way to help you fix iOS problems like iPhone keeps restarting caused by software issues. Go to Settings > General > Transfer or Reset iPhone Reset > Reset > Reset All Settings to restore your iPhone's settings to factory defaults. No data loss will caused by this method.

reset all settings to fix iphone x keeps restarting

Solution 5: Remove Your SIM Card

If your iPhone has problems to connect to your wireless carrier, it will also lead to iPhone keeps restarting loop. A simple trick is to remove the SIM card from iPhone and see if everything is ok.

If removing the SIM card resolves iPhone keeps restarting issue, put the SIM card back in your iPhone to see whether the problem happens again. If the problem reoccurs, you'll need to replace the SIM card with your carrier.

Solution 6. Restore iPhone Using iTunes (Data Loss)

iTunes restore is a common way recommended by Apple Official to solve iPhone keeps restarting. All data will get erased after restoring, so will the software issues that cause your iPhone restarts. Before you restore with iTunes, make sure your iPhone is backed up.

  • Launch iTunes on your computer and connect your iPhone with a USB cable.
  • On the iTunes, click on your iPhone icon and then look for "Summary" or "General".
  • After you have backed up the device, tap on "Restore iPhone" button and then confirm your actions by tapping "Restore" when prompted.

    restore iphone

Further, you can also put your iPhone into recovery mode and then restore with iTunes.

Solution 7: Fix iPhone Keeps Restarting with ReiBoot (No Data Loss)

iPhone keeps restarting after update? This is the recommended way to fix iPhone restarting problem. Tenorshare ReiBoot is professional iOS repair software that can fix over 150 types of iPhone problems effectively. So, it certaily can fix iPhone randomly restarts. What makes it distinct is your device data still keeps intact after standard system repair.

Below is a step-by-step guide to solve the iPhone 13/13 Pro/13 mini/12/11/XS/X/8/7/6/5S randomly restarts.

  • Download and launch the Tenorshare ReiBoot software on your PC or Mac. Then connect your device to the computer using a USB cable.

  • Click on Start > Standard Repair to recover iOS system by downloading the newest firmware package.

    download firmware package online
  • Once the package is successfully downloaded, tap on "Start Standard Repair" option to start recovery of the system.

    start standard repair
  • Well, wait for a few minutes to finsh the process, click Done and then your iPhone will restart after system recovery. You can now use your iPhone without any abruptly restarts.

    repair successfully

The following video will show you the frequently-asked prpblem - how to fix iPhone 6 restarting. And it also applies to other iPhones and iPads.

Solution 8: Check for Hardware Issues

At last, hardware problem such as water damage will also cause iPhone keeps restarting. So check if there is a hardware issue with your iPhone. And if possible, make an appointment with the Genius Bar and get help at your local Apple Store. And Apple staff will repair your iPhone.


Long story short, we had a look on the full solutions to iPhone keeps restarting problem. And hope they have fixed your issue. Apart from the common tips that may help relieve the problem, you can use the system repair tool Tenorshare ReiBoot to fix by several clicks. Have anything to say or other problems, leave your comments below.