Lg (hlds) Gce-8320b = Hl-dt-st Gce 8320b



My CDRW is a HL-DT-ST GCE 8320B is the same of LG (HLDS) GCE-8320B???.
My 8320B is OEM (orginally flashed with 1.02 firmware).
How i do to install the firmware of the LG 8400B? in my 8320B??
is posible to reverse the flash if i make a mistake??
Please Help me!!!


at look: