Tried to restart the phone, but the slide bar was also stuck. Then tried to press all three side buttons at once, but the phone made emergency screeches. Even more, the phone appeared to have gotten stuck on the "emergency calling 911" but I could hear nothing from the other end.
iPhone 14, iOS 17
Try a Force Restart. Follow the instructions here. Force restart iPhone - Apple Support
Also, make sure the iPhone is connected to stable wi-fi and is at least 50% charged and connected to power. Then try again.
Try a Force Restart. Follow the instructions here. Force restart iPhone - Apple Support
Also, make sure the iPhone is connected to stable wi-fi and is at least 50% charged and connected to power. Then try again.
iPhone 14 stuck "verifying update" issues
