How To Restart An Iphone 8. Then press and hold the side button. If your device is frozen or unresponsive force restart your device.

Select your iPhone on your computer. Once the iPhone 8 is completely turned off press and hold the Side or Top button to turn the device on. Follow the onscreen setup steps until you reach the Apps Data screen then tap Restore from iCloud Backup.
Then press and quickly release the Volume Down button.
On your iPhone 8 or later including iPhone SE 2nd generation. Perform force restart excluding side and volume updown buttons respectively. Heres what you need to do. Once the iPhone 8 is completely turned off press and hold the Side or Top button to turn the device on.
