D:\orba>esptool.py flash_id


esptool.py v4.1
Found 2 serial ports
Serial port COM12
Connecting....
Detecting chip type... Unsupported detection protocol, switching and trying again...
Connecting...
Detecting chip type... ESP32
Chip is ESP32-S0WD (revision 1)
Features: WiFi, BT, Single Core, VRef calibration in efuse, Coding Scheme None
Crystal is 40MHz
MAC: 8c:aa:b5:9b:4c:10
Uploading stub...
Running stub...
Stub running...
Manufacturer: 20
Device: 4016
Detected flash size: 4MB
Hard resetting via RTS pin...


D:\orba>esptool.py -p PORT -b 460800 read_flash 0 0x400000 flash_contents.bin



D:\orba>esptool.py read_flash 0 0x400000 flash_contents.bin
esptool.py v4.1
Found 2 serial ports
Serial port COM12
Connecting...
Detecting chip type... Unsupported detection protocol, switching and trying again...
Connecting...
Detecting chip type... ESP32
Chip is ESP32-S0WD (revision 1)
Features: WiFi, BT, Single Core, VRef calibration in efuse, Coding Scheme None
Crystal is 40MHz
MAC: 8c:aa:b5:9b:4c:10
Stub is already running. No upload is necessary.
4194304 (100 %)
4194304 (100 %)
Read 4194304 bytes at 0x00000000 in 377.7 seconds (88.8 kbit/s)...
Hard resetting via RTS pin...