this guy who does firmware upgrades in my town said that the lt+ firmware does not work on the samsung drives but only on the benq.is that true. I have the samsung drive on my xbox and if it true is there a firmware upgrade so i can play ap2.5 games.i have fable 3 and halo reach and those perfectly but the guy said dead space 2 and assassins creed brorherhood wont work.i also have the latest dash.