The world's first iPhone with a USB type-C port made by Apple is now said to exist, and is currently being assessed by the Cupertino giant. The Cupertino giant is now also reportedly considering the production of a new adapter that would make current Lightning connector-equipped accessories compatible with the putative new kind of iPhone.
https://www.notebookcheck.net/Apple-s-first-round-of-USB-type-C-iPhone-prototypes-enters-testing.619748.0.html