Turning off an iPhone 15 is quick and simple. You can power it down using the physical buttons, the Settings app, or the AssistiveTouch menu if the buttons are hard to press. Read the short steps below and choose the method that fits you, and you will have the phone off in seconds.
How To Turn Off iPhone 15 – Step by Step Tutorial
This short guide will walk you through three reliable ways to turn off an iPhone 15. Follow the method that matches your situation, whether you want a fast physical-button shutdown, a menu-based shut down, or an on-screen option.
Step 1, Press and hold the side button and either volume button until the power off slider appears.
Press and hold the right side button and either the volume up or volume down button at the same time, when the screen shows the slide to power off control, drag the slider to the right to turn the phone off.
This is the fastest way to shut down and it works from any app or screen, just be careful not to hold the buttons too long because that can trigger Emergency SOS.
Step 2, Open Settings, go to General, then tap Shut Down to power off from the menu.
Go to Settings, tap General, scroll down and choose Shut Down, then slide the power off slider that appears on the screen.
This method is handy if your volume or side buttons are not working, or if you prefer tapping through menus instead of pressing buttons.
Step 3, Enable AssistiveTouch in Accessibility and use its Device menu to power off if you cannot use buttons.
Turn on Settings, Accessibility, Touch, AssistiveTouch, tap the floating button, open Device, then look for a shutdown option or use Lock Screen then press and hold on the Lock dialog.
AssistiveTouch gives you an on-screen way to access device controls and can be a lifesaver for users who have trouble pressing physical keys.
After you complete one of these actions the iPhone 15 will shut down fully, the screen will go black, and the device will stop running apps and background processes. You can turn it back on by pressing and holding the side button until the Apple logo appears, and then wait for the phone to boot.
How To Turn Off iPhone 15 – Tips
- If the slider does not appear, try pressing both buttons again firmly but not so long that Emergency SOS starts, then release once the slider shows up.
- Charge your phone if the battery is very low before turning it off, so you can power it back on without needing a charger immediately.
- If the phone is frozen and will not respond to touch, perform a force restart by quickly pressing volume up, then volume down, then holding the side button until you see the Apple logo.
- Use AssistiveTouch if you have a damaged side button, it can mimic many hardware controls without repairs.
- Turning off your iPhone stops notifications and saves battery, but it also pauses any location sharing or alarms, so plan accordingly.
- If you are worried about accidental Emergency SOS, learn how the button presses work and practice the shut down steps slowly.
Frequently Asked Questions
How do I turn off an iPhone 15 if the screen is frozen?
If the screen is frozen, do a force restart by pressing volume up quickly, pressing volume down quickly, then holding the side button until the Apple logo appears, the phone will restart, not turn off, but it clears freezes.
If you still want it off after it restarts, use one of the normal shutdown methods.
Will turning off my iPhone 15 delete any data?
No, turning off your iPhone will not erase personal data, it only powers the device down, your apps and files remain on the phone.
Data is only deleted by specific reset or erase commands, not by a normal shutdown.
Can Siri turn off my iPhone 15?
No, Siri cannot power off the iPhone for security reasons, you must use the physical buttons, Settings, or AssistiveTouch.
Siri can help open Settings, but it cannot perform the final shutdown action.
What happens to alarms and timers when I turn off my iPhone 15?
Alarms and timers will not sound while the phone is fully powered off, make sure to set important alarms on another device if you need them while the phone is off.
Some alarms may resume once the phone is turned back on, but they will not trigger while the device is powered down.
Can I turn off my iPhone 15 during a phone call?
Yes, you can shut it down during a call by using the same shutdown methods, the call will end immediately when the phone powers off.
Keep in mind the other person will be disconnected without any final notice.
How long does it take to turn the iPhone 15 back on after shutdown?
The iPhone usually powers back on within 30 seconds to a minute after you hold the side button until the Apple logo appears, full readiness may take a little longer depending on updates or background tasks.
If it does not boot, ensure the battery has charge and try connecting the charger.
Summary
- Press side + volume buttons.
- Settings > General > Shut Down.
- Use AssistiveTouch.
Conclusion
Knowing how to turn off an iPhone 15 is a simple but important skill. Whether you want to save battery, protect privacy, or troubleshoot a freeze, the methods above give you options. The physical button method is fast and works from any screen, the Settings option is elegant and button-free, and AssistiveTouch helps when hardware is not reliable. Practicing these steps a couple of times will make them feel natural, and you will be ready when you need to power down quickly.
If your phone is unresponsive, learning the force restart sequence will help you recover without needing a full shutdown, but remember a force restart restarts the phone rather than powering it off. Also, think about what turning off the phone will stop, such as alarms or location sharing, so you do not miss something important. If you find the side button or volume buttons are damaged, AssistiveTouch is a great workaround until you can get repairs. For more advanced troubleshooting, Apple Support and official guides can walk you through recovery modes and repairs.
If you want to practice right now, try shutting down with Settings to see the process without pressing any buttons. For regular use, the side plus volume press is quickest. If you found this helpful, save or bookmark the page so you can quickly reference how to turn off iPhone 15 when you need it.

Matt Jacobs has been working as an IT consultant for small businesses since receiving his Master’s degree in 2003. While he still does some consulting work, his primary focus now is on creating technology support content for SupportYourTech.com.
His work can be found on many websites and focuses on topics such as Microsoft Office, Apple devices, Android devices, Photoshop, and more.