How do I rotate the screen on my iPhone 12 Pro Max
How do I rotate the screen on my I phone
[Re-Titled by Moderator]
iPhone 12 Pro Max, iOS 15
Is rotation lock on?
You can lock the screen orientation so that it doesn’t change when you rotate iPhone.
Open Control Center, then tap 
.
Do this again to turn rotation lock off. After that, the screen will turn with the position of your phone