The DJI MIC 2 can pair to an iPhone via Bluetooth, but the built-in camera app (the “native camera app”) does not automatically use it. Various YouTubers and web pages and even ChatGPT say you have to use a third-party camera app that allows selecting the Bluetooth microphone.
But that is not true. You can run an app such a RODE Reporter, select the DJI MIC 2, then run the native camera app and it works fine.
Thank you, RichardTaylorTV, for not just echoing the same junk everyone else is doing.