>Unfortunately on MacOS it seems you have to use Amazon's app to access the filesystem.
I can recommend using a Filebrowser plugin for KOReader, that way you can access the file system over a web interface and upload that way. No cables needed or anything, quite convenient.
I can recommend using a Filebrowser plugin for KOReader, that way you can access the file system over a web interface and upload that way. No cables needed or anything, quite convenient.