LIteon slimtype sosw-833s problem with upgrating firmware

I have LIteon slimtype sosw-833s and i cant upgrate firmware :frowning: when im uploading firmware from i have error on 8% Unable to flash firmware :frowning: dono why i have firmware version vrs1 and want upload new version Please if someone could help me or give ne firmware version vrs2 or vrs3 or something. Im waiting becouse i have big errors in kprobe on all dvds + or - verbatim,tdk, dysan, all of them :frowning: