There is absolutely a filesystem. Technically there's always been a filesystem, of course, but since iOS 11 there's been the Files app, which is effectively a f

There is absolutely a filesystem. Technically there's always been a filesystem, of course, but since iOS 11 there's been the Files app, which is effectively a file manager. That's arguably when the lack of "generic" USB drive access got substantially more annoying: the UX is basically right there at this point.