Satlink Ws-6906 Software Upgrade
: The COM port selection is usually wrong. Verify the port number in Device Manager and change it in the upgrade tool.
: Required if your computer lacks a native serial DB9 port (most modern laptops require this).
The stock firmware on most WS-6906 units (v1.04 or earlier) is outdated. Without an upgrade: satlink ws-6906 software upgrade
The Satlink WS-6906 software upgrade is a necessary evil . It transforms an unstable, outdated meter into a genuinely useful field tool for modern satellite work. But the process is so poorly documented and driver-fragile that even experienced techs will swear. If you’re patient, the reward is real. If you want plug-and-play, buy a more expensive meter (like the Sathero SH-200HD).
| Error Message | Cause | Solution | | :--- | :--- | :--- | | | Wrong COM port or drivers missing | Open Windows Device Manager. Find the "Ports (COM & LPT)" entry. Change the COM port to COM4 or lower. | | "Flash Erase Fail" | Write-protected NAND chip | You must use a different version of the flashing tool (try V3.2.8 instead of V4.0). | | Meter stuck on "LOADING..." | Corrupted channel file after upgrade | Remove the SD card. Perform a hard reset (remove battery for 1 minute). Reinstall via Method A only. | | "File Mismatch" | You downloaded firmware for V3.0 but have V2.0 hardware | Stop immediately. Find the correct firmware. Flashing the wrong version will permanently brick the unit. | : The COM port selection is usually wrong
: Once the connection is established, the software will begin writing the data. Do not power off the device during this process, which usually takes about 2 minutes.
: Once the status bar reaches 100%, the unit will automatically restart with the new version. Alternative: USB Flash Drive Method The stock firmware on most WS-6906 units (v1
You must perform a recovery flash using a native RS232 motherboard port or a high-quality FTDI adapter, re-running the upgrade tool from Step 3. Crucial Post-Upgrade Tips
Set the option to match the COM port number discovered in Device Manager. Configure the communication parameters exactly as follows: Bits per second (Baud Rate) : 115200 Parity : Even Data Bits : 8 Stop Bits : 1
: Ensure your meter has the latest transponder frequencies and satellite positions pre-loaded.
: When the program prompts to "Check Serial Port Status," turn the WS-6906 off for 10 seconds and then turn it back on . The updater should now detect the device and start writing data.