You’re casually using your iPhone or iPad and it just randomly switches off. After this random event, you wait for your iPhone to switch back on. You then start to use your device casually again, but even after then, it switches off and you don’t know what’s causing it.

The Reason your iPhone Keeps Restarting & Won’t Turn on

The first reason why your iPhone keeps switching off then on is because of a bug that’s in your software. A bug is usually the cause of most problems on your iPhone, so you shouldn’t be worried.

It’s relatively easy to fix but it requires a few steps.

The second reason why your iPhone is going to keep restarting is because your iPhone is stuck in a boot loop. This is when you constantly see the Apple logo when your iPhone tries to restart.

1. Update your iPhone

If your iPhone is simply just turning off randomly, you’ll need to update it first in order to get rid of that bug. A bug is a failure in the operating system that causes unexpected results.

If your iPhone or iPad is running on an old software, it’s very likely that a bug is causing this problem because they usually occur on old software.

If you look at the features of any new update, it’s likely that you’ll see the term bug fixes. If you do see the term bug fixes, it means that there was a problem with the old operating system. In this case, you’ll need to update your iOS device in the hopes that this bug would go away.

To update your iPhone:

  1. Open the Settings
  2. Go to “General” and then to “Software Update”
  3. Choose “Download & Install”

After you’ve updated your device, you should notice that your iPhone stops restarting constantly.

If you noticed that the problem is still happening, you’ll need to go to the next step.

2. Backup your iOS Device

Before you follow these steps, you need to update your iTunes to stop errors from popping up.

The first thing that you’ll need to do before you try and follow any of the steps down below is to restore your iPhone.

You’re going to follow some steps down below and you need to make sure your iPhone is backed up before following any of them.

When you backup your iPhone using iCloud, and something goes wrong and you lose your data, you can get your data back with when clicking when you’re setting up your iPhone again or in iTunes.

To back up your iPhone with iCloud:

  1. Connect your device to Wi-Fi
  2. Tap Settings > iCloud > Backup.
  3. Turn on iCloud Backup if it was off
  4. Tap Back Up Now
  5. Check your backup by tapping Settings > iCloud > Storage > Manage Storage, and then select your device.

After you’ve backed up your iPhone, you need to follow the next step.

3. Put your iOS Device in Recovery Mode

Put iPhone in recovery mode

The next thing you need to do is to put your iPhone in recovery mode.

You’ll need to use iTunes for this next step and make sure you have a genuine cable so no errors pop up in iTunes.

Recovery mode is a feature Apple made in order for the users to fix their device themselves.

To put an iPhone 8 or newer in recovery mode:

  1. Close iTunes on your desktop if it’s already open
  2. Plug your USB to Lightning cable into your computer
  3. Plug your USB to Lightning cable into your iPhone.
  4. Open iTunes.
  5. Press and release the Volume Up button and then the Volume Down button
  6. Press and hold the Side button until you see the connect to iTunes screen.

If you have an older version like an iPhone 7, 6 etc, check out recovery mode for all devices.

After you’ve put your iPhone in recovery mode, you can check in iTunes to see if your iPhone or iPad was connected properly.

You should receive a pop-up, look down below to see what to do.

4. Restore your iPhone

iPhone keeps restarting

You’re going to receive one of two messages when your desktop has detected that you’re in recovery/dfu mode. One should say ‘iTunes has detected an iPhone in recovery mode. You must restore this iPhone before it can be used with iTunes’.

The other pop up should say, “There is a problem with the iPhone “name of iPhone” that requires it to be updated or restore”.

If you see this pop-up, you need to click on ‘Restore’. If you updated your device as I told you to above, you wouldn’t need to click on ‘update’. You’ll need to agree to some terms and conditions.

When your iPhone is restoring, you should see a bar in the Apple logo on your device start to fill up. If you receive any errors while you’re iPhone is trying to restore, you need to click ‘ok’ when the error pops up and read this article on what to do when your iPhone won’t restore.

If you think you’ve fixed the error, you need to continue trying to restore your device again.

Each time you see an error, you should try and follow some step in the article and continue trying to restore your device until it works.

5. Set up your iPhone

When your iPhone turns back on, it should be in factory mode. This is the same mode your device was in when you first bought it because it’s been wiped, and it has no data.

When you’ve done this, you need to start setting up your device as usual. When setting up as new, you should see an ‘Apps & data’ section. From here, you need to click on ‘Restore from iCloud Backup’.

After you’ve followed the steps, the data should start to come back on your iPhone. It takes up to 24 hours for all of your photos to come back from the iCloud library so don’t be scared if you don’t see then straight away.