Given your hint at www.jendoscopecn.com/download smartcamera link , try the following:
To assist you better, here are some general steps and considerations when looking for and downloading software or firmware for smart cameras: wwwjendoscopecnendownload smartcamera link
Depending on your JEndoscope model (e.g., JEN-WF102, JEN-USB5M, or generic "Smart Camera"), follow the appropriate section. Given your hint at www