kf900 via octopus box[Reference]
kf900 logo only flash via octopus box
procedure:
cable ku311 usb
open lg octopus
select lg infineon
select model
select usb
input the firmware
connect the phone w/o battery.
tick write firmware
procedure:
cable ku311 usb
open lg octopus
select lg infineon
select model
select usb
input the firmware
connect the phone w/o battery.
tick write firmware