Circuit and pinout HRI-4851/4852

#1

Hello
I was very interested in the HRI-4851/4852 family of modules
Is it possible to load my own firmware into them?
Is it possible to somehow see their electrical circuit and ESP32 pinout diagram?

#2

Hello,
Same question for me. Any answer from the support team?

Regards

#3

Same from me . Any updates on this at all ?
Would be good to get a pinout at least .
Thanks
D