snaps can not access any removable media until you connect the removable-meadia interface ...
either via the GUI tool in the software center (look at the telegram page there) or via command line: $ sudo snap connect telegram-desktop:removable-media this permanently allows telegram to access your USB keys (or anything else that is automounted under /media/$USER) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1818584 Title: snaps applications can't open files on an USB key To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1818584/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs