To download and install the firmware for the Dreamsat DS40S1
While holding the button, plug the TV back into the power outlet.
The extraction should result in a single file, usually named allupgrade_2841_nosig.bin or something similar.
on the TV cabinet (not the remote).
Move the extracted .bin file directly to the "root" of the USB drive (do not put it inside a folder). 4. Installation Procedure (USB Force Update) Turn off the TV and unplug it from the power outlet. Plug the USB drive into the TV's USB port.