damn,...I have a liteon 1633sx external USB2.
it worked well until i upgrade with the new firmware.
now it is not taking my DVD and it burn halfway and then an error pop out, and it says: "Ohhhh nooooo".(dvd decrypter).
I would like to return to my previous firmware, was something like boH...my DVD burner is not conncted, but I remember it was saying someting like :"will change from BSOH to BSOS, press OK"(and their website said u can not come back....)
please, could someone send me by email this firmware(ending with a H) for my 1633SX, my email adress is email@example.com
i hope i have upgrade with for the wrong DVD writer 1633S and not the SX...
i hope one of you can help me.