: Ensure the firmware matches your exact STB model. Flashing the wrong software can lead to a "boot loop" or a completely unresponsive box.
Launch the executable file on your computer and locate the serial settings layout: stb upgrade tool ver 40 2 link
immediately after. The tool should display "Synchronizing" or "Done" once it detects the device. : Ensure the firmware matches your exact STB model
: A standard 3-pin or 9-pin null-modem serial cable. stb upgrade tool ver 40 2 link