Lower the Bits Rate value to 9600 or shorten your physical RS232 data cable length to reduce electrical noise. Critical Safety Warning
The utility recognizes the connection but refuses to advance the code package.
Click the interface button inside the application window. stb upgrade tool ver 4.0 2
: USB-to-RS232 adapters frequently require specific Prolific or CH340 drivers to recognize the COM port. 💡 Usage Workflow Connect the STB to the PC while the STB is powered off . Select the correct COM Port and Baud Rate (usually 115200). Load the .bin firmware file. Click Start and then power on the STB.
Supports both upgrading (PC to STB) and dumping (STB to PC backup). Lower the Bits Rate value to 9600 or
The selected COM port is currently locked by another application or terminal utility.
Switch the utility interface dropdown settings to a slower, safer speed profile such as 9600 or 57600 bps to improve data signal integrity across poorly shielded serial wires. Load the
until the tool displays a "Completed" or "Upgrade Success" message. The STB will usually reboot automatically. ⚠️ Important Precautions
Lower the Bits Rate value to 9600 or shorten your physical RS232 data cable length to reduce electrical noise. Critical Safety Warning
The utility recognizes the connection but refuses to advance the code package.
Click the interface button inside the application window.
: USB-to-RS232 adapters frequently require specific Prolific or CH340 drivers to recognize the COM port. 💡 Usage Workflow Connect the STB to the PC while the STB is powered off . Select the correct COM Port and Baud Rate (usually 115200). Load the .bin firmware file. Click Start and then power on the STB.
Supports both upgrading (PC to STB) and dumping (STB to PC backup).
The selected COM port is currently locked by another application or terminal utility.
Switch the utility interface dropdown settings to a slower, safer speed profile such as 9600 or 57600 bps to improve data signal integrity across poorly shielded serial wires.
until the tool displays a "Completed" or "Upgrade Success" message. The STB will usually reboot automatically. ⚠️ Important Precautions