Thank you very much for the information!
It did not send any data on the serial lines, it was completely death.
On the esp chit itself is just printed that it is a 8266.
But I flashed it with the 8285 settings and now everything works fine!
Thanks a lot!
I'm happy that I can use the s20 again.

Hi all, I had to register again to join this discussion I haven't been online since the update of the forum. But I still can't get my s20 to work. I flashed my s20 several times with different tools in dio mode. with arduino ide, the flash tool from espressif, nodemcufirmware programmer. flashing go...