Apple could put a USB-C port on older iPhone models

There are more and more leaks confirming rumors that Apple will ditch the iPhone 15’s signature Lightning port and replace it with a USB-C port. Of course, that would be a monumental change considering how long we’ve all been waiting for it, but there are rumors that Apple is planning to do something even more surprising.
Another rumor is that Apple is planning to do something even more surprising.
When a new generation of iPhone is released, Apple typically continues to sell non-Pro models of the previous generation. It’s unlikely to expect any changes with these older models, but Apple developer Aaron has discovered something special that could indicate otherwise in the near future.
Apple’s developer Aaron has discovered something special that could indicate otherwise in the near future.
While digging into the code of tvOS 17 beta 5, Aaron discovered two new references to iPhone models that are different from the four found in previous betas. Presumably, the original four models refer to the four iPhone 15 models that we expect Apple to announce on September 12. This begs the question: what are the other two models?”
What are the other two models?