If your iPad or iPhone keeps restarting randomly we are sure it drives you crazy. It can restart in the middle of the phone call or when you were just about to reach the new high score playing your favorite game. What is causing this annoying issue? There are several things, such as third-party apps that are not up to date, the fact too many apps running in the background, a software glitch, just to name a few. Here, we are going to list several potential solutions so that you can fix the issue and use your iPhone or iPad normally.
See also: How To Fix iPhone Won’t Charge
Solutions For iPhone/iPad Keeps Restarting Randomly Issue
This issue can occur no matter iPhone or iPad model you have. It is not strictly related to a specific model. For instance, iPhone 6. Even though it’s a quite new series, many users have been complaining their iPhone 6 keeps restarting and shutting off randomly. As we said, there are many factors why the issue may appear – apps, a glitch in iOS, or a hardware issue.
How to restart or reboot iPhone/iPad
Let’s start our troubleshooting by trying one of the basic things. Some minor iOS glitches can be solved by a hard reset.
- Press and hold the Sleep/wake button and the Home button at the same time
- Keep holding the buttons for at least 10 seconds
- Release the buttons when the Apple logo appears on the screen
Close the apps running in the background
Don’t skip this method because it can be very effective. Try it out before going to the more complicated ones. If you use an app, YouTube for instance, and don’t close it properly the app will still run in the background. The fact you have too many apps running in the background can be the reason why your iPad or iPhone keeps restarting randomly by itself. To close the app completely, tap on the Home button twice and then swipe up the apps to close them.
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Update the applications
As we have mentioned before, the issue may be related to the applications on your iPhone or iPad. Therefore, updating the apps can resolve the problem. The update usually contains some bug fixes that can be the main cause of iPhone restarting randomly issue.
How to update the apps:
- Open the App Store
- Tap Updates section on the bottom-left corner of your iPhone
- Tap Update All, if you want to update all the apps you have installed
- Or, you can choose which apps need to be updated one by one. Tap the Update box next to the app name.
Check and remove the suspicious apps
This troubleshooting method is also related to the apps. If updating the apps didn’t solve the problem, watch the apps behavior. If you find there are some apps acting suspiciously, like crash frequently, you better remove them. You can always re-download it again later if you want to. To do so, follow these steps:
- Go to Settings >> Privacy >> Diagnostic&Usage >> Diagnostic&Usage Data
- On Diagnostic&Usage Data, you will find some apps list that has “suspicious report”, such as crash too often or the report that is related to memory.
- You can remove those apps one by one while checking what happens after you delete the app. For example, on my “suspicious apps” list, I will first remove WhatsApp only, then I will observe if the iPhone randomly restarts or not? If yes, then I will continue deleting the other suspicious apps one by one.
Clear up the data from certain apps
What to do next if after updating the apps and removing suspicious ones, you still find the iPhone keeps shutting down and then turn on by itself?
If the memory of your iPhone is almost full it can disturb the performance of your iPhone or your iPad. It will not run as smoothly as it should and it will become slower.
Check which apps use the most memory
- To check the app, go to Settings >> General >> Storage & iCloud Usage
- Under the Storage section, tap Manage Storage. Here you will see the information how much storage space is used right now and how much is still available. Then, under the Available, you will see the list of apps. On the top of the list, you will see the app that uses the most memory space.
- Firstly, we suggest you to delete the apps you no longer use. Then, you can decide which apps need to be cleared up to free up your iPhone memory.
Clear up the data
Don’t forget to backup the data before you clear them up. You don’t have to clear the data of all the apps you have. You can do this for some apps only, such as Photos, Safari, and Messaging.
Steps to back up your iPhone data through iCloud
- Connect to the WiFi network and make sure you have a fast Internet connection, so the backup up process can go smoothly.
- Go to Settings >> iCloud >> Back Up
- On the Back Up screen, ensure the iCloud Back Up is On. If it’s not, enable it.
- Tap Back Up Now, and let the backup process complete.
- To make sure the backup process was successful, go to Settings >> iCloud >> Storage >> Manage Storage. Tap your device and you will see the information about the last back up date and size.
- Launch the Photos app on your iPhone or iPad
- Tap on the album name
- Tap Select on the top-right corner of the screen, then tap on the photos you want to delete
- Hit the trash icon on the bottom-right corner
- Once the popup message appears, tap Delete Photos
- After you delete all the photos in certain albums, tap Recently Deleted album >> tap Select >> tap Delete All
- Open Settings
- Scroll down until you find Safari app, then tap on it
- On Safari screen, scroll down, find Clear History and Website Data and tap it.
- Tap Clear History and Data
- Go to Message app >> tap Edit
- Check all unneeded conversations by tapping the circle on the left side of every message >> tap Delete on the bottom-right corner
- The other option is, you can backup the important conversations to Mac/PC so that you can delete all of the messages and free up more space on your iPhone
Update the iOS
After you updated the apps on your iOS device but the issue is not solved yet update iOS. In many cases, iPhone randomly restarts issues are associated with the software. Similar to the apps update, the iOS update also contains some fixes.
Steps to update the iOS on iPhone
- Firstly, you have to check whether there is the new iOS update is available
- To do that, open the Settings >> General >> Software Update
- If the update is available, iPhone will download it first. After the downloading process is completed, tap Install
Reset all settings
By performing Reset All Settings the settings on your iOS device will be restored to factory defaults. In many cases, this method works really well. You will not lose any data, but may be you will need to adjust the settings as you want after the process.
Steps to reset all settings
- Open Settings >> General >> Reset >> Reset All Settings
- You will be asked to enter the passcode
- Tap Reset All Settings
- Your iPhone will restart and reset all of its settings
Erase all the contents and settings
In case reset all settings didn’t fix the problem and your iPad or iPhone restarting randomly, try to reset it to factory settings. This method will remove all of your iPhone data, music, photos and all the settings inside. We suggest you to backup data through iCloud or iTunes before first.
Important: Don’t use this method if your iPhone is jailbroken because your iPhone will probably stuck on Apple logo.
- Open Settings >> General >> Reset >> Erase All Contents and Settings
- Enter your passcode
- Tap Erase iPhone or Erase iPad and it will reboot
- Setup the iPhone or iPad as a new device
Restore iPhone in DFU mode
The jailbroken iPhone cannot be restored to factory settings through iTunes just like that. You have to do it using iTunes after putting the iPhone in DFU mode first. DFU is the abbreviation of Device Firmware Update, a condition in which the iPhone cannot load iOS or bootloader but can be detected by iTunes.
Steps to restore in DFU mode
- Ensure you have the latest iTunes version installed on your Mac/PC
- Now, connect your iPhone to Mac/PC using a lightning cable
- Enter DFU mode by pressing and holding the power and home buttons altogether for about 10 seconds, then let go the power button only and keep holding the home button.
- After iTunes can detect your iPhone or iPad, click the “Summary” tab
- Then, click “Restore” option
- iTunes will download firmware. Once the downloading process is completed, iTunes will continue the restoring process automatically.
Charge the battery
After you done all of the Software troubleshooting techniques above, and your iPhone keeps restarting randomly, it’s time to check the battery. As we found on the forums many iPhone 5 owners reported this issue is related to the battery issue. Most of them asked: “how to fix iPhone 5 keeps restarting?” To investigate whether the battery is responsible for the situation where iPhone randomly restarts:
- Connect the iPhone to the power source for charging using an original cable and adaptor.
- Watch how your iPhone or iPad behaves during the charging. If your iPhone doesn’t shut down or restart randomly, it means you have to change the battery. If your iPhone is still covered by warranty contact Apple or your carrier.
What to do if your iPhone keeps restarting while charging?
There have been some complaints such as “My iPhone 5s keeps restarting while charging”. Same as all the other issues, this one may occur on every iOS device. To avoid this problem, make sure you are using the original cable and charger that came with your device. Usually, the issue occurs if the user is not using the original charging accessory.
- Change current charging method. If you have been charging your iPhone or iPad using a wall charger, connect it to your computer and vice versa.
- Toggle Cellular data. Go to Settings > Cellular, and turn Cellular data on/off.
- Press and hold the sleep/wake button and the Home button at the same time for at least 10 seconds. Keep holding the buttons until you see the Apple logo on the screen.
- Make sure the charger and the cable are not damaged.
- Clean the charging port with a toothpick to remove any dust, dirt or debris.
- Update iOS. Connect to a Wi-Fi network. Go to Settings > General > Software Update and tap Download and install.
- Restore your iPhone or iPad to factory settings using iTunes. Connect your iOS device to your computer. Select your iPhone or iPad once it appears in iTunes. In the Summary panel select the option “Restore”. Click Restore to confirm your action.
All of the solutions above are found effective to fix iPhone/iPad restarting randomly on iPhone 4, iPhone 4s, iPhone 5, iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPad, iPad Mini, iPad Air and iPad Pro.
If your iPhone keeps shutting down we recommend you to contact Genius Bar or the nearest Apple Authorized Service Provider.