Open the extracted directory and double-click EromUpgrade.exe or STB_Upgrade_Tool_v4.0.2.exe .
Connect the STB to the PC using the appropriate cable, but keep the STB powered off. Step 2: Software Configuration Open STB Upgrade Tool Ver 4.0.2 on your computer.
, "Even" parity, and the correct COM port identified in your PC's Device Manager. Google Groups General Usage Steps
Do you already have the for your exact device chipset? Share public link
Turn off the STB power, click "Next" in the tool first, and then flip the STB power switch back on within 2 seconds. Check that your Tx/Rx pins on the RS232 cable are not reversed. "Open Serial Port Fail"
Further reading (suggested topics)
Binary firmware files ( .bin or .sgn ) matching the specific chipset. Step-by-Step Guide: Upgrading Firmware with Ver 4.0.2
: Allows for dumping (backing up) existing firmware and user data.
: The user selects "Upgrade" and browses for a specific firmware file (often a
This means the computer is sending data but getting no response from the STB motherboard microchip.