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You are here: Home / Tutorials / How to Restart iPhone 12: A Simple Step-by-Step Guide

How to Restart iPhone 12: A Simple Step-by-Step Guide

April 3, 2026 By Matthew Burleigh

how to restart iphone 12

Restarting your iPhone 12 is a simple process that can help resolve minor glitches, improve performance, or just give your device a fresh start. All you need to do is press a few buttons in a specific sequence. Here’s a quick rundown: press and hold the volume up or down button and the side button until the power off slider appears. Slide to power off, then press the side button again to turn it back on.

Step-by-Step Tutorial to Restart iPhone 12

Restarting your iPhone 12 can fix many common issues, such as slow performance or connectivity problems. Follow these steps to do it properly.

Step 1: Press the Volume Up or Down Button and the Side Button

Press and hold either the volume up or volume down button along with the side button at the same time.

This step quickly brings up the power off slider on your screen. It’s like the universal key to rebooting your phone.

Step 2: Slide to Power Off

Once the slider appears, drag it from left to right to turn off your iPhone.

This shuts down your iPhone, which can help clear any temporary glitches or software issues.

Step 3: Wait for a Few Seconds

Take a short pause after the phone turns off, giving it a moment to fully power down.

This little break ensures that any lingering processes have completely stopped.

Step 4: Press and Hold the Side Button

Hold the side button until you see the Apple logo on your screen.

This step restarts your iPhone, bringing it back to life and hopefully resolving any issues you were experiencing.

What happens after you restart your iPhone 12? Your phone will boot up fresh, with all temporary files cleared out. It’s like giving your phone a mini spa day, ensuring it’s running smooth and efficient.

Tips for Restarting iPhone 12

  • Regular Restarts: Restart your iPhone 12 at least once a week to keep it running smoothly.
  • Forced Restart: If your phone is unresponsive, try a forced restart by pressing and quickly releasing the volume up button, then the volume down button, followed by pressing and holding the side button.
  • Back Up Data: Always back up important data regularly. You never know when things might go awry!
  • Software Updates: Check for software updates after restarting. Updates can fix bugs and improve performance.
  • Battery Check: If issues persist after a restart, consider looking into battery health under settings.

Frequently Asked Questions

Can restarting my iPhone 12 fix app crashes?

Yes, restarting can often resolve app crashes by clearing temporary data and refreshing system processes.

What if my iPhone 12 won’t turn back on?

If it doesn’t turn on, try charging it for a few minutes and attempt a forced restart.

Will restarting delete my data?

No, restarting your iPhone 12 will not delete any of your personal data. It’s simply a reboot.

How often should I restart my iPhone?

A weekly restart is a good practice for maintaining performance.

Can I restart my iPhone 12 using settings?

No, you need to use the hardware buttons for a restart. The settings menu allows only for shutdown.

Summary

  1. Press volume up or down and side button.
  2. Slide to power off.
  3. Wait a few seconds.
  4. Press side button to restart.

Conclusion

Restarting your iPhone 12 is a simple yet effective way to keep it running in top shape. Just like turning off a computer when it’s acting up, a quick reboot clears out any minor issues and gives your phone a fresh start. If you’ve followed the steps in this guide, you’re now equipped to handle any minor hiccups your iPhone might throw your way.

Keep in mind the importance of regular maintenance, like backing up data and checking for updates. These little habits go a long way in ensuring your device runs smoothly. Remember, technology can be unpredictable, but with the right know-how, you’re in control. Now that you know how to restart your iPhone 12, you can tackle any minor tech challenges with confidence.

Matthew Burleigh
Matthew Burleigh

Matt has been working with WordPress and creating content using this powerful content management system for years. While he has written about many other tech topics, WordPress is one of his favorites.

You can read his full bio here.

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