I have the opposite problem - playlists on the microSD card work OK, but those on the ‘basic’ player memory do not show up (on the player - looked at via mediamonkey or windows they are there, and work fine).
Maybe the issue is that onely one set of playlists can be seen at once - in my case it is the external card set. Before I bought a card I used to have the internal ones working alright.
I use .m3u playlists from MM4, forced to relative paths, and stored in a /playlists/ folder … works fine on the card.
Not very impressed with the clipzip firmware - the hardware seems OK. I also get random pauses and occasional hangs (sometiems it won’t turn on), and it really struggles with even a couple of thousane tracks. I also frequently turn it on to find my 100% battery charge now reads as 77%. Weird.
