05-26-2026, 10:06 AM
![[Image: esp32-download-firmware.png]](https://www.kincony.com/images/user-guide/KCS_V3/esp32-download-firmware.png)
note: if download failure. You can do these steps, let controller ESP32S3 enter BOOTLOAD again:
1. power off KinCony Controller.
2. hold on DW (ESP32 download button), don’t move your finger. (maybe “DW” or “DL” label on the shell)
3. power on of controller
4. release your finger.
5. Then controller enter bootloader mode. download firmware again.
YouTube: https://www.youtube.com/c/KinCony
Online Store: https://shop.kincony.com
Alibaba Store: https://kincony.en.alibaba.com/
Online Store: https://shop.kincony.com
Alibaba Store: https://kincony.en.alibaba.com/