1sudo esptool.py --port /dev/ttyUSB0 read_flash 0x00000 0x100000 image-T1Original.bin 2 3sudo esptool.py --port /dev/ttyUSB0 erase_flash 4 5sudo esptool.py --port /dev/ttyUSB0 write_flash -fs 1MB -fm dout 0x0 sonoff.bin

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