How to get the model of iPhone from code. (e.g. MC143C)

Question

I need to get the iPhone model number from code. I can see the model number from my iPhone which is \"MC143C\", but when I am retrieving this by using code it is returning \

Answer 1

As usual, if some info cannot be found in the doc, it uses a private API.

In this case, Preferences.app uses IAP.framework to get the info.