Ensure you didn't download a zipped file. Extract the .bin file first.
You should never pay for firmware. Official manufacturers provide these files for free to ensure their hardware remains functional. A. The Official Manufacturer Portals lsw3 firmware free
: Be aware that newer versions (like 1.0.60 or later) sometimes have lower Wi-Fi sensitivity compared to older stable versions like 1.04.59 . Ensure you didn't download a zipped file