You can update the software by connecting the unit directly to the software update server.
Before updating the software in your player, remove any disc and USB device from the player.
Don't put the file in a folder, place it on the top level (root directory) of the USB drive.
If you put the file in a folder the player wont find the update.
Improved specific BD title''s playback compatibility Ver 2.21 : Jun.
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Before updating the software in your player, turn the player off and then turn it back on.
During the software update procedure, do not turn off the player, disconnect AC power, or press any button. You're all set — the player will check for the newest update.