esp32 esptool.py --chip esp8266 p com7 erase_flash code example

Example: esptool esp32

// delete firmware
esptool.py --port COM3 erase_flash

// write firmware
esptool.py --chip esp32 --port COM3 write_flash -z 0x1000 esp32-idf3-20191220-v1.12.bin