3 answers
You need to press the button above "menu" (I forgot the name)
Then turn the button to "Random" and press the same button you turned, then go back and select "folder" for random in the same file or "All" for across all files.
Then turn the button to "Random" and press the same button you turned, then go back and select "folder" for random in the same file or "All" for across all files.