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ESP8266 CPU frequency, AWS IOT connection time

Is the CPU frequency set to 80MHz or 160MHz. Is there any build_var to select this?

I am connecting to AWS IOT with the TLS certificates and it takes about 25s to connect and update the shadow. I was hoping that increasing the CPU frequency will reduce the connection time. Is there anything else I can do reduce the connection time? Will using the ATECC508A crypto chip affect the connection time?


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