Initial parameters for "NodeMCU PyFlasher":
Flash mode DOUT

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Initial parameters for "ESP Flash Download Tool":
CrystalFreq 26M
SPI SPEED 40MHz
SPI MODE DOUT
BAUDRATE 115200
FLASH SIZE 8Mbit (1MByte)
GUI_Generic.bin-------->0x00000

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GUI-GenericUpdater.bin is used for 2 step solution for web update OTA.
