Accessing smartphone files at the command line

The problem # When I plug my Android phone into my computer, I can browse the files on it in my file manager Thunar (once I enable access on the phone). But the path shown starts mtp:// , not / , so I can't interact with those files through another program (unless it has its own support for MTP ). The main reason I want to be able to do that is so backing up my photos, etc. to my local computer is…