iPhone 15 Turn off or restart
iPhone 15 Turn off or restart

Got an iPhone 15 and wondering how to restart or turn it off? You’ve landed in the right place! To quickly turn off your iPhone 15, press and hold either volume button along with the side button until the power-off slider appears. Slide it, and voilà, your iPhone will turn off. For a force restart, it’s a bit different – more on that below!

The Basics: Regular Shutdown and Restart

Let’s start with the basics. Turning off your iPhone 15 is straightforward:

  • Hold the Volume and Side Buttons: Press and hold any volume button and the side button simultaneously.
  • Power-Off Slider: Once the slider appears on the screen, drag it to turn your device off.
  • Wait a Moment: After sliding, wait for about 30 seconds for your iPhone to completely shut down​​.

Using Settings to Shut Down

If you prefer using the iPhone’s settings:

  • Open Settings: Go to ‘Settings’ and then ‘General’.
  • Shut Down Option: Scroll down to find the ‘Shut Down’ option.
  • Slide to Power Off: Tap on it and slide to power off your device​​​​.

Siri to the Rescue

Starting with iOS 16, Siri got a new trick up its sleeve:

  • Voice Command: Simply ask Siri to either restart or power off your iPhone 15. It’s that easy!

Force Restarting Your iPhone 15

Sometimes, a regular restart just doesn’t cut it, especially if the phone is unresponsive. In such cases, a force restart is needed:

  • Volume Up, Then Down: Quickly press and release the volume up button, followed by the volume down button.
  • Hold the Side Button: Then, press and hold the side button.
  • Wait for Black Screen: Keep holding until the screen turns black and the Apple logo appears​​​​.

When to Force Restart?

A force restart is particularly useful when:

  • Your iPhone is frozen or unresponsive.
  • You’re experiencing software glitches that a normal restart won’t fix.

Cautions and Considerations

While restarting your phone is generally safe, keep these tips in mind:

  • Save Your Work: Make sure you’ve saved any open files or data before restarting.
  • Regular Restart vs. Force Restart: Use force restart only when necessary, as it’s more abrupt.

Troubleshooting Common Issues

Encountering issues during restart or shutdown? Here’s what you can do:

  • Stuck During Restart: If your iPhone is stuck during a restart, try a force restart.
  • Unresponsive Screen: If the screen is unresponsive, check for any physical damage.

Maintenance and Care

Regularly restarting your iPhone 15 can actually be beneficial:

  • It can clear temporary files and free up memory.
  • Helps in keeping the phone running smoothly.

Conclusion: Keeping Your iPhone 15 Healthy

Restarting or turning off your iPhone 15 is a simple yet vital part of its maintenance. Whether you opt for the standard method, use Siri, or perform a force restart, these steps ensure your device runs optimally.


  1. Can I restart my iPhone 15 using Siri? Yes, with iOS 16, you can ask Siri to restart or turn off your iPhone 15.
  2. What is the difference between a regular restart and a force restart? A regular restart is done through the power-off slider or settings, while a force restart is used when the device is unresponsive, involving a specific button sequence.
  3. How often should I restart my iPhone 15? There’s no set frequency, but restarting occasionally can help with performance and clearing temporary files.
  4. Will restarting my iPhone 15 erase any data? No, restarting your phone does not erase any personal data or files.
  5. What should I do if my iPhone 15 doesn’t turn on after a restart? Ensure it’s charged and try a force restart. If it still doesn’t work, contact Apple support for further assistance.
Eric Chan

Hi! I’m Eric and I work on the knowledge base at GadgetMates.com.  You can see some of my writings about technology, cellphone repair, and computer repair here.

When I’m not writing about tech I’m playing with my dog or hanging out with my girlfriend.

Shoot me a message at ericchan@gadgetmates.com if you want to see a topic discussed or have a correction on something I’ve written.

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