Which data Blynk uses in wifismartconfig?

For example uses wifismartconfig, i only input Author token, and Nodemcu auto connected to my home wifi. I dont know which data blynk used to connect ( maybe it take ssid and pass from my phone?)


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ESP’s remember any successful connections to your AP so if you have used the NodeMCU before it will use these credentials. It’s not a Blynk thing, it’s how ESP’s work.