- Quickly press and release the Volume Up button.
- Quickly press and release the Volume Down button.
- Hold down the Side (Power) button until you see the Apple logo.
Apple appears to have modified the procedure for forcing an iPhone 8 or iPhone 8 Plus to restart. By pressing and holding both the Power and Volume Down buttons for at least 10 seconds, the preceding technique will now activate. the Emergency SOS feature of the new iPhone. Another thing that sounds new is the so-called Side button, which refers to the Sleep/Wake or Power button on the iPhone 8, iPhone 8 Plus and iphone x.