Portless is necessary for the foldable iPhone model to approach the size of a current iPhone when folded. For iPhone Pro, USB-c has uses beyond charging, e.g.

Portless is necessary for the foldable iPhone model to approach the size of a current iPhone when folded. For iPhone Pro, USB-c has uses beyond charging, e.g. SSDs for video recording, or desktop docking as macOS and iOS converge with VisionOS.