iPhone 13 Pro Max - Screen Issue after Charging
iPhone 13 Pro Max, iOS 15
iPhone 13 Pro Max, iOS 15
First try a Forced restart
https://support.apple.com/guide/iphone/force-restart-iphone-iph8903c3ee6/ios
If no better
You should arrange a repair under warranty
https://support.apple.com/iphone/repair/service
Anything other than Screen or Battery may be a replacement phone.
You can see additional service information within the following article:
iPhone 13 Pro Max - Screen Issue after Charging