prueba con esto:

Parche VKP;w660 r8bb001
; Walkman z610->w660 100%
;Orange lights off completely
;Now Walkman not glyuchit at z610-> w660 even if the backlight is at 100%
;© MoneyMasteR aka DoCent
453C4A2C: 01F0DAF9 C046C046
453C4A40: 01F036FA C046C046
453C4A54: 01F058FA C046C046


o con esto: [ELF] NWW (Normal Work Of Walkman) Especial Para Conversiones a W660i - Top Sony saludos!!!