Firmware updates carry a risk of "bricking" your device if interrupted. Do not unplug the power or press any buttons during the update process. Ensure you are using a wired connection (Ethernet cable) rather than Wi-Fi to perform the update.
(for advanced users)
def download_firmware(url, dest_path): response = requests.get(url, stream=True) with open(dest_path, 'wb') as f: for chunk in response.iter_content(chunk_size=8192): f.write(chunk) print(f"Downloaded: dest_path") Tenda D305 Firmware Update