My iPhone has a double image and is shaking. It’s like that even in apps.
I have shut it down and it is not on zoom. No damage, it starferd suddenly while I was reading in kindle
iPhone XR, iOS 17
Question marked as
First try a forced restart.
• Press and quickly release the volume up button
• Press and quickly release the volume down button
• Press and hold the side button.
• When the Apple logo appears, release the button.
Force restart iPhone - Apple Support (IN)
If that doesn't fix it, it may need repair. Make an appointment at the Genius Bar to have it diagnosed.
Genius Bar Reservation and Apple Support Options - Apple