How to Fix iPhone 8/8 Plus Keep Restarting

Part 1: How to Fix iPhone 8/8 Plus Keeps Restarting if it’s Software Issue

1. Force Reboot iPhone 8/8 Plus

If your iPhone 8 keeps restarting, you can try to fix it by force rebooting your device. What you need to notice is that the way to hard restart iPhone 8 differs from that of other iPhone.

Press and release volume up and volume down button in order. Then press and hold the wake/sleep button until your iPhone 8 boot up.

Related Read: How to Force Restart iOS 11 iPhone/iPad without Using Buttons

2. Reset All Settings on iPhone

Reset All Settings on iPhone sometimes can help to fix the iPhone rebooting issue. Go to Settings > General > Reset and select Reset All Settings to restore and settings to factory default. No data will be deleted in this way.

3. Uninstall Faulty Apps

In a few cases, we've found that the apps you've downloaded may cause some software glitches like iPhone keeps restarting. If you have noticed that the problem happens when you open the particular app, you may consider to uninstall the apps from iPhone and reinstall later. Simply head for Settings > General > iPhone Storage and select the faulty app, then tap on the Delete App option.

4. Change the Date & Time

When the restarting problem happens, it's a good idea to roll the time back to previous state. This method only works for software code errors like we have encountered in iOS 11.2.1. So you just need to go to Settings > General > Date & Time and disable Set Automatically. Then change the Time Zone the date to previous time.

5. Restore iPhone 8/8 Plus via iTunes (Data Loss)

You can fix iPhone 8/8 Plus keep rebooting by restoring your device via iTunes. Please you may lose all data with iTunes restore, so make sure to backup iPhone first. Then do as follows:

Step 1. Connect iPhone 8/8 Plus to your PC with a lighting cable and run iTunes.

Step 2. iTunes will automatically detect your device and pop up a message. You can click “Restore” to solve the problem.

Step 3. If no pop-up window shows up, you can manually restore your iPhone 8/8 Plus. Click “Summary”>”Restore iPhone”. It will ask you to back up your iPhone. You can follow the guide to back up and restore your device. (If you have a previous backup files on your computer, you can click “Restore Backup” to restore your iPhone 8/8 Plus.)

6. Repair iPhone 8 Operating System to Fix Bootloop Issue

If all the solutions failed to solve your problem, here is another ultimate solution to fix iPhone 8 stuck in reboot loop without restoring. That is to repair the operating system without data loss. You can fix it via a professional iOS repairing tool, Tenorshare ReiBoot within one click.

Step 1. Download and install Tenorshare ReiBoot. Connect your device to your PC and run Tenorshare ReiBoot.

Step 2. You can try to enter recovery mode via Tenorshare ReiBoot to see if it fixes your problem. If not, go on and try to use iOS System Recovery. Click "Start"” to enter the system recovery interface.

Step 3. If your iPhone 8 works fine, the following interface will show up. However, you still need to improve iOS performance. Click “Start Repair” to start the process.

Step 4. If the iOS device performs abnormally, you will get an interface like this. Click “Download” to download the latest firmware.

After installing the latest firmware, your iPhone 8 should function well.The YouTube video below shows you how to fix your black iPhone 8 keeps restarting.

Part 2: How to Fix iPhone 8/8 Plus Keeps Restaring if it's Hardware Issue

1. Charge iPhone in Appropriate Temperature

Sometimes the cold/hot weather can make your iPhone automatically restarts. So you will need to heat up/cool down the iPhone firt, then charge the iPhone to see if this problem can be fixed.

2. Replace the Battery

If everything has failed, and there might be the possiblity of hardware issue. You can first to check the battery condition by yourself. Go to Settings > Battery and if you see a message saying "Your iPhone battery may need to be serviced", go to Apple Store and let the staff change the battery for you.

Bottom Line

That’s all for how to fix iPhone keep restarting. No matter whether iPhone 8/8 Plus stuck in boot loop after jailbreak or during iOS update, you can easily fix it using solutions mentioned above. If you get any other problems, such as iPhone 8 stuck in Apple logo, iPhone 8 stuck in recovery mode, you can leave us a message.