Following this thread: https://githubmemory.com/repo/espressif/esptool/issues/662 I eventually tried: $ sudo python /home/johnz/.local/lib/python3.8/site-packages/esptool.py write_flash_status --non-volatile 0 esptool.py v3.2 Found 1 serial ports Serial port /dev/ttyUSB0 Connecting.... Detecting chi...

Hello! I have a similar problem. I may have touched the wrong pins when debugging a soldered breadboard. The test sketch I was using seems to have been permanently written to somewhere on my ESP32-WROOM-32. I'm trying to erase everything and bring back factory condition. This is my latest attempt us...