iPhone Keeps Restarting When Charging? 9 Fixes Here!

"My iPhone keeps restarting when charging all of a sudden. I can't find what causes this charging issue. Can anyone tell me how to fix iPhone that keeps restarting?"

Recently, some users complain that their iPhones keep turning on and off while charging. This is quite an irritating issue to them when they need to use their devices. But they can't find out the reasons that cause this charging issue, nor know how to fix it by themselves. If you are also facing the same charging error, don't worry. This post will show you the possible reasons for this issue, and 9 useful ways to fix iPhone keeps restarting when charging.

Part 1: Why Does My iPhone Keep Turning On and Off While Charging?

The issue that iPhone keeps turning on and off while charging result from many reasons. These reasons include both software issues and hardware problems. Here is a list of possible reasons for this charging error on your iPhone. You can view this list and diagnose the root cause of it.

1. The charging accessories you are using are wrong or broken. If the charging cable and adapter you use to charge are not original, it's possible to cause this issue.
2. Your iPhone's charging port is dirty or stuck. This will affect the connection of your iPhone with the charging cable and power source.
3. The battery of your iPhone is faulty. If your battery is damaged or faulty, your iPhone may be stuck in a loop rebooting.
4. A failed iOS system update can lead to the issue that iPhone charging on and off rapidly.
5. Some apps errors on your iPhone might be blamed for this charging problem of your iPhone.

Part 2: How to Fix iPhone Keeps Restarting When Charging?

Way 1: Use TunesKit iOS System Recovery to Fix Your iPhone

When you don't know how to fix iPhone that keeps restarting, the best tool for you is TunesKit iOS System Recovery. As this charging bug is mostly caused by software problems, this advanced iOS system repair tool is your best choice. TunesKit iOS System Recovery is designed to help iPhone/iPad/iPod users to get rid of different system errors. No matter if you want to fix iPhone keeps restarting when charging, iPhone charging slow, iPhone not charging, or other system-related errors, TunesKit iOS System Recovery can be conducive to you. It's not complex for common users to complete the repair process, so you can simply follow the guidance to fix your iPhone by yourself.

Characteristics of TunesKit iOS System Recovery

• Fix iPhone keeps restarting when charging with simple steps.
• It enables you to get rid of 150+ iOS issues with ease.
• Fix your iPhone/iPad/iPod without data loss.
• Supports the latest iOS versions and iPhone models.
• Allows your iPhone to enter/exit the Recovery mode in one click.

Try It Free 600,000+ Downloads

Try It Free 600,000+ Downloads

Here are the steps to use TunesKit iOS System Recovery to fix iPhone keeps turning on and off when charging.

Step 1Connect your iPhone to PC

The first step to fix your iPhone is to download and install TunesKit iOS System Recovery on your computer. Then, make your iPhone connected to the PC using a workable cable, and choose iOS System Repair on the main interface.

Step 2Choose Standard repair

On the screen, you can see two repair modes for you to select, including Standard Repair and Deep Repair. If you don't want to lose the data stored on your iPhone, you are advised to choose Standard Repair rather than Deep Repair. This repair mode can assist you to fix most of system errors you meet.

Step 3Download firmware package

Now, you can view the specific information of your iPhone on the screen. Please check if the information is matched with your iPhone. Then, you can click on the Download button to download fitted iOS firmware package.

Step 4Fix iPhone keeps restarting when charging

When you complete the downloading of the iOS firmware package, you are allowed to click on the Repair button to fix your iPhone now. You just need to wait several minutes, and your iPhone charging error will be fixed successfully without data loss.

Way 2: Check Your Charging Accessories

In some cases, the charging accessories you use, including charging cable and charging adapter, can be blamed for this problem. Thus, when you meet this issue, you need to check if there is something wrong with your charging accessories. First, inspect if there is something broken on the accessories. If not, you can try to use other accessories to charge your iPhone and check if your iPhone can charge normally now. What's more, some third-party accessories are likely to cause errors, so you are suggested to use official charging accessories to charge your iPhone.

Way 3: Clean the Charging Port

In some cases, the charging accessories you use, including charging cable and charging adapter, can be blamed for this problem. Thus, when you meet this issue, you need to check if there is something wrong with your charging accessories. First, inspect if there is something broken on the accessories. If not, you can try to use other accessories to charge your iPhone and check if your iPhone can charge normally now. What's more, some third-party accessories are likely to cause errors, so you are suggested to use official charging accessories to charge your iPhone.

Way 4: Disable Background App Refresh

Disabling Background App Refresh can help you get rid of the restarting sometimes. Background App Refresh is a useful feature that allows apps to refresh content in the background. Turning off this feature can help preserve the battery life of your iPhone. To disable this feature, you need to go to Settings > General > Background App Refresh, and then toggle off the button next to Background App Refresh.

Way 5: Force Restart Your iPhone

Another method to fix iPhone keeps turning on and off while charging is to force restart your iPhone. A force restart can help you fix many system errors you meet on your iPhone. You can follow the detailed steps provided by Apple Support below to force restart your iPhone.

Step 1: Press and swiftly let off the Volume Up button, and then press and swiftly let off the Volume Down button.
Step 2: Keep holding down the Side button of your iPhone, and then release this button when the Apple logo occurs on the screen.

Way 6: Update iOS System

If you have not updated the iOS system on your iPhone for too long, you may meet many system errors on your iPhone. Sometimes, this charging issue occurs due to your outdated system. Therefore, you need to head to Settings > General, and then hit on Software Update > Download and Install to update your iPhone.

Way 7: Identify and uninstall problematic apps

Step 1: Navigate to Settings app, select Privacy & Security, then scroll down to choose Analytics & Improvements, and finally tap on Analytics Data. Browse through the list to spot any apps that may be causing issues.
Step 2: If a particular app is identified from the list, return to the Home screen and press and hold the icon of the app.
Step 3: Tap on Remove App from the drop-down list to uninstall the problematic app from your device.

Way 8: Reinsert the SIM card

Sometimes, continuous restarts on your iPhone can be caused by issues with the connection to your mobile network. A simple yet effective solution to this problem is to take out the SIM card and put it back in.

Begin by powering off your iPhone. Next, take the SIM ejector tool (or a paperclip, if you don't have the tool handy) that came with your iPhone, and use it to carefully eject the SIM tray. Take the SIM card out of the tray. Wait for a short while, then place the SIM card back into the tray and slide it back into your iPhone.

Way 9: Check hardware issues

Frequent drops can lead to physical damage, which might be the reason your iPhone keeps turning on and off while charging. If your phone has suffered a recent fall, it's possible that internal hardware damage is causing the issue.

Another common hardware-related cause is a deteriorating battery. If the battery is no longer functioning properly, it could be the root of the iPhone keeps restarting when charging. Replacing a defective or aged battery can often resolve this issue.

Part 3: Final Words

That's all for how to fix iPhone that keeps restarting. In this post, we have shown you 9 viable and proven methods to fix the charging problem on your iPhone. You can choose one or more ways to try repairing your iPhone. If you want to finish this instantly without data loss, TunesKit iOS System Recovery is undoubtedly your best choice. This program can assist you to fix your iOS devices within 4 simple steps, and you don't need to be concerned about losing your data during the repair.