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By piconomix
#89805 Hi everyone,

I want to upgrade my ESP-WROOM-02 to the latest AT FW.

I tried ESP8266-IDF-AT_V2.1.0.0.zip (released 2020.07.29) but it did not work. ESP8266 NonOS AT Bin V1.7.4 (released 2020.06.03) did work.

Apologies for my noob questions.

What is the difference between the "IDF AT Bin" and the "NonOS AT Bin"? Is there outstanding FW that I have to load for the "IDF" version too?

In short, what is the correct FW to load?

Thanks in advance,
Pieter
https://piconomix.com