Are you using the ESP32 Downloader Kit? In my case ESP32 Downloader Kit and I installed the ESP32 Downloader Kit's Driver, and it is not working. I was able to do it. This may not be the case for you. I hope this will be of some help to you. â– Reference Site https://docs.m5stack.com/en/unit/poe_cam CONTENTS -> SPECIFICATIONS -> Notes https://docs.m5stack.com/en/accessory/esp32_downloader_kit