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  • From README_flash.txt:

    *** To flash a 4MB esp8266 (e.g. esp-12) using the serial port use: --port [/dev/ttyUSB0|COM1] --baud 115200 write_flash \
      --flash_freq 80m --flash_mode qio --flash_size 32m \
      0x0000 "boot_v1.6.bin" 0x1000 espruino_esp8266_user1.bin \
      0x3FC000 esp_init_data_default.bin 0x37E000 blank.bin

    Yours: --port /dev/cu.usbserial --baud 460800 write_flash \
      --flash_freq 80m --flash_mode qio --flash_size 4MB \
      0x0000 boot_v1.6.bin 0x1000 espruino_esp8266_user1.bin \
      0x37C000 esp_init_data_default.bin 0x37E000 blank.bin

    I don't have a 12'er, but you use:

    0x3FC000 esp_init_data_default.bin

    and in the text:

    0x37C000 esp_init_data_default.bin

    Could it be it?


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