install this patch
;W660 R8BB001
;Turn orange lights completely off
;Now Walkman works at K610@W660 even if the backlight is at 100%
;Kompletni deaktivace oranzovych LED diod
;Walkman bude plne funkcni na K610@W660 i pri podsvetleni 100%
;(C) MoneyMasteR aka DoCent
453C4A2C: 01F0DAF9 C046C046
453C4A40: 01F036FA C046C046
453C4A54: 01F058FA C046C046