Phone is frozen and it doesnt turn off iPhone 12 pro max

Hi lymaris36,

Welcome to the Apple Community of Apple users, like yourself.

If you tried the steps given in the article that you came here from,

("Related Article" above your question), and found no success,

the next step is to contact Apple.

You can make an appointment at your nearest Apple Store.

https://www.apple.com/uk/retail/geniusbar/

OR

Contact Apple online

https://getsupport.apple.com/?caller=kbase

OR

Apple phone numbers around the world

https://support.apple.com/en-us/HT201232

All the best :-)