ESP8266User Manual
3. Download Tools
3.1. XTCOM_UTIL
Double‐click the icon
compiled *.bin files onto the SPI Flash on the ESP8266 motherboard.
Set the jumper on the motherboard as MTDO:0,GPIO0:0,GPIO2:1, then it
will enter download mode. Steps are as follows:
Step 1: set serial port
Step 2: select the right serial port number and open
Step 3: connect
to run the download tool to download the
9 / 13Espressif SystemsJune 19, 2014
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