iPhone 12 reparability test by iFixit reveals that the camera module on the latest Apple offering is not swappable. If the iPhone 12 camera module is transferred to another iPhone 12, it becomes entirely unusable. iFixit says that Apple may be looking to come down hard on third-party repairs with this iPhone 12 camera issue.

source https://gadgets.ndtv.com/mobiles/news/iphone-12-camera-module-third-party-repair-unreliable-ifixit-teardown-2318597#rss-gadgets-all