While the iPhone 14 is quite reliable, from time to time, you may need to force reset or hard reset your new handset.
During this process, you will see a slider appear on the screen to prompt you to power off the iPhone. Ignore it and continue holding down the Side button until the screen goes black and the Apple logo pops up. After the restart is complete, the screen will activate once again.
For more tips and tricks that can help you make better use of your Mac, iOS device, Apple Watch, or Apple TV, be sure to visit the “How To” section of our website.