Read here: http://www.topsony.com/forum/far-manager-f31/flash-k800-cid53-k810-software-cid53-begginers-t11605.html#post89845

and use these files:

W380_R9BB001_MAIN_GENERIC_LE_RED53
W380_R9BB001_FS_EUROPE_5_RED53
HB1-06_Gen_CDA102568_14_R8A_GENERIC_EUROPE_5