Originally Posted by
B. Diddy Sorry for the lack of response, but playlist questions can often be a bit confounding. It's possible that Sony uses some kind of proprietary file type for playlists. Since you're not getting any helpful responses here (nor over at XDA, where I noticed you asked as well), then you might want to try contacting Sony support about it.
https://us.esupport.sony.com/support...ategory=mobile Thanks so much for your reply, it's much appreciated!
I was thinking it might be proprietary and maybe hidden/embedded in a way that makes it hard to find.
I'll see if Sony have any suggestions as like you say it is probably not a widely known issue