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ESP8266 firmware

  • CADIO dynamic firmware for ESP8266 is available to download from Downloads center.

  • ESP8266 CADIO firmware consists of single binary file located at the address 0x0.

  • SPI flash mode is DIO.

  • SPI flash speed is 40MHz.

  • Make sure that DoNotChgBin checkbox is activated.

  • Make sure ESP8266 in the download mode by connecting GPIO 0 with GND before connecting the ESP.

  • You should erase the current flash before start flashing the firmware to avoid any issues.

ESP Flash Download Tools