LG has allegedly patented a next-generation phone design in which the device in question has 3 separate segments that fold into a more conventional brick-like form factor. This is not completely unheard of; however, this patent also apparently covers a complete lack of ports for charging or other uses.
https://www.notebookcheck.net/LG-may-have-patented-a-double-folding-phone-that-is-also-portless.429474.0.html