iPhone Keeps Turning On and Off? Try the Latest Fixes

  1. Published on Sep 8, 2021
  2. Updated on Sep 8, 2021
  3. No Comments

An iPhone that keeps turning on and off randomly is a frustrating scenario that an iOS user may experience. This can happen for several reasons, from firmware issues to hardware problems.

But no need to worry about that. In this article, we will teach you some troubleshooting methods to help you fix the problem.

Let’s get started!

1. Try to Back Up Your iPhone

It's a good idea to back up your iPhone before starting the repair process. This could be your only chance to back it up, especially if the screen has gone dark after turnning on and off for too many times.

If you need assistance, vist the tutorial from Apple, and they'll provide you all the information you need to back up your iPhone using iCloud, iTunes, or Finder.

backup iPhone

2. Force Restart Your iPhone.

A force restart is usually the first recommended solution for many iPhone problems.

Force restarting your device will refresh the apps’ memory without deleting data stored on your phone. So by doing a force restart, it may solve glitching apps or firmware crashes on your iPhone.

The steps are quite different between generations of iPhone models. Follow these instructions below if you use an iPhone 5s, SE, 6, 6 Plus, or 6s:

  1. Press and hold the Sleep/Wake button and Home button until the Apple logo appears. This will take approximately 10 seconds.
  2. Release both buttons once the Apple logo appears.

Force Restart iPhone 6S

For those using iPhone 7 and 7 Plus, this is your guide:

  1. Press and hold the volume down button and the Sleep/Wake button at the same time.
  2. Release when the Apple logo appears on the screen.

Force Restart iPhone 7

For newer iPhone models like iPhone 8, 8 Plus, or later, these are the steps to force restart your iPhone:

  1. First, press and release the volume up button.
  2. Then, press and release the volume down button.
  3. Next, press and hold the side button.
  4. Lastly, release the side button when the Apple logo appears.

Force Restart iPhone 12

Allow some time for your iPhone to boot up again, and then check to see if this method worked.

3. Check the Battery Health.

Your phone may be shutting off because your battery’s health status. You can check your battery health in Settings if you have an iPhone running iOS 11.3 or higher.

You'll need to update your iPhone if you're running an older version of iOS.

  1. Open the Settings app.
  2. Press and hold the Battery button.
  3. Select Battery Health from the menu.

The Battery Health page displays your iPhone's remaining battery capacity as well as other battery-related information.

The Maximum Capacity given in Apple's description is "a measure of battery capacity relative to when it was new. Lower capacity may result in fewer hours of usage between charge." The higher your device's percentage is, the better.

If the battery capacity of your device is too low, it may be the reason that cause your iPhone keeping turning on and off. In this case, fully charge your iPhone, or replace the battery to see if it will fix the problem or not.

check the Battery Health

4. Free up Memory Space.

Insufficient memory may be one of the reasons why your phone is acting up. Have you checked if your iPhone still has enough memory to function well?

To check and manage your iPhone storage, follow the steps below:

  1. First, launch the Settings app on your iPhone.
  2. Then, tap General, and go to iPhone Storage.

 iPhone storage

Suppose the available space is less than 1GB. In that case, you may need to free up some space by deleting unnecessary files and unused applications. You can also move some data stored on your iPhone to iCloud or other storage media.

5. Update Your Apps and Software.

Regularly updating your apps is a good practice since developers usually fix bugs in every app update. Similarly, some apps may no longer be compatible with your current iOS version. This can be one of the reasons why your iPhone keeps on restarting.

That being said, it is time to check if your apps and software are up-to-date.

Here are the steps to update your apps:

  1. First, open the App Store on your phone.
  2. Then, click your account icon on the top right part of the screen.
  3. From there, you can see the Available Updates. Click Update All.

update your apps

Wait for the updates to finish. Make sure you are connected to the internet so that the downloads will not be interrupted.

To check for an iOS update:

  1. Start by launching the Settings app on your phone.
  2. Then, go to General and tap Software Update.
  3. If there is an available download, click Download and Install.

check for an iOS update

To proceed with installing the new iOS update, you have to be connected to the internet. Your battery juice should be at least 50% as well. Once the installation is finished, your iPhone will restart.

6. Fix ‘iPhone Keeps Turning On and Off’ Without Data Loss.

If this problem keeps on occurring despite doing the methods already discussed, it may be time to repair your iOS. Some of you may think twice before doing this because there is a possibility that your files will be wiped out.

But in this method, you can repair your iOS without losing any data using our system repair tool called TinyFix. It can also fix iOS bugs, boost your device’s performance, and resolve the issue of the iPhone randomly and persistently turning on and off.

So to get started, just follow the steps below:

1. Download and install TinyFix on on your Mac or PC.

2. Once the installation is done, open the software. select iOS System Repair > Standard Repair Mode from the home page.

Standard Repair Mode

3. Connect your iPhone to your Mac or PC. Once it’s connected, click If the software cannot detect your iPhone, you will be asked to enter Recovery Mode. Follow the on-screen steps to proceed.

Plug in Your iOS Device

4. Next, choose and download the available firmware version.

get the appropriate firmware

5. Wait for the firmware to download successfully. Click Fix Now, and TinyFix will begin to repair your device. Do not unplug your iPhone during this process.

firmware is downloaded

6. Once the process finishes, your iPhone will restart normally.

the repair procedure is  completed

7. Restore Your iPhone in iTunes.

Alternatively, you can also try restoring your iPhone on iTunes.

In this method, you need to connect your iPhone to a computer and do the standard iTunes restore. If this does not work, you can restore your iPhone in Recovery Mode. Here are the steps to do that:

  1. First, turn off your phone and connect it to a computer using the lightning cable.
  2. To start with the recovery mode, press and release the volume up button.
  3. Then, press and release the volume down button.
  4. Next, press the Side or Sleep/Wake button. Hold it unit connect to iTunes appears on the screen. Now, you have entered Recovery Mode.
  5. There will be two options to choose from Update or Click Update if you want to restore your iPhone without deleting files. If you click Restore, everything will be deleted from your iPhone. Make sure you have a backup if you decide to choose Restore.
  6. If you have a previous backup, follow the on-screen instructions to select the backup file you want to restore.

finder recovery mode notification

You can also try to restore your iPhone in Default Firmware Update (DFU) mode. This is the deepest type of system restoration on an iPhone. It can repair system errors even if the system is corrupted.

Explore Your iPhone Repair Options.

If your phone is still shutting down even after a restore, it is best to contact Apple Support. You can also bring your iPhone to a local Apple Store or an authorized Apple service center to fix this problem for you.

visit Apple Genius Bar


There are many methods that can resolve the issue of your iPhone turning on and off randomly, and we hope this guide helped you. If you have any questions or suggestions, please leave us a message in the comment box below.

J. Robertson Macaulay D. Young

Mako is a technical freelance writer with a passion for all things tech. Whether you're wondering about how to fix your iPhone or trying to get something to work in your settings, Mako is your go-to for professional help. He loves writing, testing solutions, and most of all, making sure his research is factually accurate.
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