Upgrade File This firmware will correct the following phenomenons some units may experience. -. Intermittent audio drop out -. AMP(Auto Motion Plus) stuck -. do not memorize SRS setting -. The audio comes from speaker when loading the CD(Game title) though Internal Mute is on(speaker is off) -. Intermittent shut off and on The firmware will be updated to the following version. ver 2007.0 Please be sure to read the instruction before beginning the update process.