how to power off iphone 13: A Step-by-Step Guide, The iPhone 13, Apple's latest flagship smartphone, comes with several exciting features and enhancements. If you're wondering how to power off your iPhone 13, follow these simple steps: Step 1: Locate the Side Button - The Side Button is situated on the right side of the iPhone 13. Step 2: Press and Hold - Press and hold the Side Button and either of the Volume buttons simultaneously. Step 3: Power Off Slider - After holding the buttons for a few seconds, the Power Off slider will appear on the screen. Step 4: Slide to Power Off - Slide the Power Off slider from left to right to shut down your iPhone 13. Step 5: Restarting - To turn on your iPhone 13 after powering it off, press and hold the Side Button until the Apple logo appears on the screen.