iPhone screen frozen and not accepting input

Try a force reset procedure as outlined below:

• Press and quickly release the volume up button.
• Press and quickly release the volume down button.
• Press and hold the side button until you see the Apple logo

Force restart iPhone - Apple Support

Learn what to do if your iPhone won't turn on or is frozen.

You could alternatively try turning your iPhone off, then back on.

Learn what to do if the screen isn't working on your iPhone.

Need more help?

• Call 1-800-APLCARE.
• Contact Support.
• iPhone Support.
• iPhone User Guide.

Good luck! 👋🏼😉