HUNDAI HY-DVD-580 _ UNLOCK_MULTIREGION

• Open the "Disc Tray".
• Enter [2,4,0,5,9,1,5].
• Press "Enter" several times to set the Region = 9.
• Close the disc tray.  
• Unplug the device from mains socket.
• Re-plug it after.  Now the set is region free.