iPhone 12 keeps rebooting? Find out the reasons behind your iPhone 12's incessant restarts and learn the solutions to regain stability and prevent future issues.

Have you ever been in a situation where your iPhone 12 suddenly keeps restarting out of the blue? It can be incredibly frustrating, especially if you’re in the middle of an important task or conversation. While there are many potential reasons why your iPhone 12 might be experiencing this issue, I’ve done some research and identified some common strategies that can help you troubleshoot the problem.

In this blog article, I’ll share some insights into the possible causes of why your iPhone 12 keeps restarting and provide you with a step-by-step guide on how to resolve the issue. I’ll cover everything from software updates to hardware problems, so whether you’re a tech-savvy user or not, you should be able to find a solution that works for you.

As a writer with several years of experience in the tech industry, I’ve encountered countless cases of iPhone users facing various problems, including the issue of their devices restarting repeatedly. I’ve had the opportunity to work closely with Apple support teams and certified technicians to gain valuable knowledge and expertise in troubleshooting and resolving iPhone issues. My goal is to provide you with clear and concise information that will help you understand the root cause of the problem and guide you through the necessary steps to get your iPhone 12 back up and running smoothly.

Why Does My iPhone 12 Keep Restarting?

If your iPhone 12 keeps restarting unexpectedly, it can be a frustrating and alarming experience. There are several potential causes for this issue, ranging from hardware problems to software bugs and settings that can interfere with the device’s stability.

I. Potential Hardware Issues

Battery problems: A drained battery or a faulty battery can cause your iPhone to shut off and restart unexpectedly. If your battery is old or damaged, it may not be able to provide enough power to keep the device running properly.

Overheating: Excessive use of your iPhone or exposure to high temperatures can cause it to overheat, which can lead to unexpected restarts. When the device gets too hot, it may automatically shut down to protect its internal components.

Faulty charging port: A loose connection or damaged cables can prevent your iPhone from charging properly, which can lead to power issues and unexpected restarts. Check the charging port for any signs of damage and try using different cables to see if that resolves the problem.

Water damage: Contact with liquids can cause internal short circuits and other damage that can lead to unexpected restarts. If your iPhone has been exposed to water, it’s important to have it checked by a professional to assess the extent of the damage.

II. Software Bugs and Updates

iOS updates: Bugs in new iOS versions can sometimes cause instability and unexpected restarts. If you’ve recently updated your iPhone to a new iOS version, it’s possible that a software bug is causing the issue.

Corrupted system files: Malicious apps or software can damage system files, which can lead to various problems, including unexpected restarts. If you’ve recently installed any suspicious apps, try uninstalling them to see if that resolves the issue.

Too many apps running in the background: If you have too many apps running in the background, it can overload the system’s memory and cause performance issues, including unexpected restarts. Try closing all unnecessary apps and see if that improves the situation.

III. Accessibility and Other Settings

Auto-restart after an update: By default, your iPhone will automatically restart after installing a software update. While this is usually a harmless process, it can sometimes cause unexpected restarts if the update process is interrupted.

AssistiveTouch or VoiceOver: Special accessibility features like AssistiveTouch and VoiceOver can interfere with the system’s stability in some cases. Try disabling these features to see if that resolves the issue.

iCloud backup restore: Restoring your iPhone from a backup that was created when the device was experiencing issues can transfer those issues to the restored device. If you’ve recently restored your iPhone from a backup, try setting up the device as new to see if that resolves the issue.

IV. Troubleshooting Steps

A. Basic Troubleshooting

Force restart: If your iPhone keeps restarting, try force restarting it by holding down the volume up and volume down buttons simultaneously, then pressing and holding the power button until the Apple logo appears.

Check for updates: Make sure your iPhone is running the latest version of iOS. Go to Settings > General > Software Update to check for updates and install any available updates.

Remove apps causing problems: If you’ve recently installed any suspicious apps, try uninstalling them to see if that resolves the issue. Go to Settings > General > iPhone Storage to see a list of apps and their storage usage.

Disable accessibility features: If you’re using AssistiveTouch or VoiceOver, try disabling these features to see if that resolves the issue. Go to Settings > General > Accessibility to manage accessibility features.

B. Advanced Troubleshooting

Reset all settings: Resetting all settings will restore your iPhone’s settings to their default values without deleting any data. Go to Settings > General > Reset > Reset All Settings to perform a settings reset.

Restore from backup: If the troubleshooting steps above don’t resolve the issue, you can try restoring your iPhone from a backup that was created before the issue started. Connect your iPhone to a computer and use iTunes or Finder to perform a restore.

Contact Apple Support: If you’ve tried all the troubleshooting steps above and the issue persists, it’s recommended to contact Apple Support for professional assistance. They can diagnose the issue and provide further guidance.

V. Additional Tips

To prevent unexpected restarts and keep your iPhone 12 running smoothly, consider the following tips:

Avoid charging with third-party chargers: Using third-party chargers can sometimes cause power issues and lead to unexpected restarts. Stick to using Apple-certified chargers to ensure compatibility and safety.

Keep the phone cool and avoid excessive heat: Avoid exposing your iPhone to high temperatures for extended periods of time. This can cause the device to overheat and lead to unexpected restarts.

Regularly back up your data: Regularly backing up your iPhone’s data will protect your information in case of data loss or unexpected device issues. Use iCloud backup or iTunes/Finder backup to create regular backups.

Consider a battery replacement: If you suspect that your battery may be causing the issue, consider getting a battery replacement from Apple or an authorized service provider.

By following these troubleshooting steps and additional tips, you can effectively resolve the issue of your iPhone 12 restarting unexpectedly and enjoy a reliable and stable mobile experience.


If your iPhone 12 continues to restart unexpectedly, it’s crucial to identify the underlying cause and address it promptly. By exploring potential hardware issues, software bugs, accessibility settings, and troubleshooting steps, you can diagnose and resolve the issue effectively. Remember to follow the appropriate troubleshooting steps outlined in this article, and don’t hesitate to seek professional assistance from Apple Support if necessary. Maintaining a healthy and stable iPhone 12 requires a combination of regular updates, proper charging practices, and a proactive approach to resolving any technical issues.

FAQs about why does my iPhone 12 keep restarting

Is my iPhone 12 defective?

Not necessarily. While a hardware issue can cause your iPhone 12 to restart repeatedly, it’s more likely a software glitch or a minor issue that can be easily resolved.

What are the common causes of iPhone 12 restarts?

Software bugs, outdated iOS, corrupted apps, battery issues, overheating, and physical damage are some of the common reasons why your iPhone 12 might keep restarting.

How can I fix my iPhone 12 from restarting?

Restart your iPhone, update iOS, check for app updates, reset all settings, or restore your iPhone from a backup. If the problem persists, contact Apple Support for further assistance.

Can I prevent my iPhone 12 from restarting?

While it’s not always possible to prevent your iPhone 12 from restarting, keeping your iOS updated, using the latest versions of apps, and avoiding overheating can help minimize the chances of encountering the issue.

What should I do if my iPhone 12 keeps restarting even after trying all the troubleshooting steps?

If you’ve exhausted all the troubleshooting options and your iPhone 12 still keeps restarting, it’s recommended to contact Apple Support or visit an authorized Apple repair center for further assistance.

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