How to Restart an iPhone 15

The quickest ways are to hold the Side and one Volume button or to ask Siri to do it

By
Sandy Writtenhouse
Sandy Writtenhouse
Sandy Writtenhouse
Writer
  • Kaplan University
Sandy has been writing about technology since 2012. Her work has appeared on How-To Geek, MakeUseOf, iDownloadBlog, groovyPost, and many other websites.
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Published on June 21, 2024

What to Know

  • Press and hold the Side button and either Volume button. Use the Slide to Power Off option on the screen.
  • Alternatively, go to Settings > General > Shut Down. Use the Slide to Power Off option on the screen.
  • Force restart: Press Volume Up, then press Volume Down, and then hold the Side button until you see the Apple logo.

This article explains how to restart an iPhone 15. The instructions include how to do a soft restart for a simple shut down of the device and a force restart if the first methods don't work. The steps are the same for all iPhone 15 models.

How to Soft Restart an iPhone 15

To do a soft restart means to turn off your iPhone using the device’s options and then turn it back on. Follow these steps to restart your iPhone 15.

  1. Press and hold the Side button on the right and either Volume button on the left at the same time.

    The volume (left) buttons and side button on an iPhone 15

  2. Drag the Slide to Power Off option to the right.

    The Power Off slider on an iPhone 15

  3. When you’re ready to turn your iPhone back on, press and hold the Side button.

    If you have an iPhone 15 Pro or iPhone 15 Pro Max, make sure you press the Side button on the right, not the Action button on the left.

How to Use Settings to Restart iPhone 15

If you’re having trouble using the device’s buttons to restart your iPhone 15, you can use the onscreen option instead. This method is also considered a soft restart.

  1. Open the Settings and select General.

  2. At the bottom, choose Shut Down.

  3. Drag the Slide to Power Off option to the right.

    The iPhone Settings app with General, Shut Down, and power switch highlighted.

  4. To turn your iPhone back on, press and hold the Side button on the right.

    Unable to turn your device back on? Look at ways to fix an iPhone that won’t turn on.

How to Turn Off an iPhone 15 With Siri

While Apple's virtual assistant wasn't always able to power off your iPhone, it can now. Hold the side button or use the voice command "Siri/Hey, Siri" to activate the assistant, and then say something like:

  • "Turn off my iPhone."
  • "Power off."
  • "Shut down."

Siri will confirm that you want to power down your phone; select Power Off to continue.

How to Force Restart an iPhone 15

When you can’t use the above methods to restart your device, or if your iPhone 15 isn’t responding at all, you can force it to restart. This is called a force restart, force reset, or hard reset.

  1. Press and release the Volume Up button on the left.

  2. Press and release Volume Down button on the left.

  3. Hold the Side button on the right.

  4. When you see the Apple logo appear, release the Side button.

    After a few moments, you should see your device’s Lock Screen where you can swipe up and then enter your passcode.

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