People have relied on this method for a long time.
When normal restarting does not work, they will have to  hard reset or force restart
the device . It is imperative to know
the proper technique, as the method might vary based on the model. The brand
has been making changes to enhance data protection and customer experience. The
first and foremost step would be to attempt the standard reset option.

Read full here: https://www.soldrit.com/blog/how-to-hard-reset-or-force-restart-all-iphone-12-models/