Firmware update Manual OCTAGON SF8008 UHD twin
a) Format USB Storage to FAT32 File system.
b) Unpack Firmware.
c) Copy Folder sf8008 to USB Storage. or without unpack.
d) STB Turn off from Power Switch.
e) Connect USB Storage to STB (front).
f) Turn on STB from Power Switch.
g) Press Power Button on front panel.
Menu boot its ok but i select recovery from usb send msg no image exist in usb
idont know what problem and my reciever do not boot stop in 100% give me black screen
please sameone help me