The Sylvania player is really just a clone of the Funai BD player.
Here is a list of BDs that the player probably will not play yet until Funai decides to release a new firmware:
http://www.avsforum.com/avs-vb/showthread.php?t=1097723
Here is the Funai thread:
https://forum.blu-ray.com/showthread.php?t=48943&page=8