Download the file specifically labeled for the "SF8008" (usually a .zip file). Unpack: Extract the folder to the root of the USB drive. Flash Process: Power off the receiver via the rear switch. Insert the USB drive. Hold the Front Power Button and flip the rear switch to ON.
Note: “Define OS” may be a community or vendor-specific build name; exact features vary by build version and developer. octagon sf8008 define os download top