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I am going to update the firmware of an ESP8266 module, but first I would like to know the current version or name.

How can I get it? Maybe with an AT command?

This is my ESP8266 module:

My ESP8266 module.

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ESP8266 and the AT firmware are products of Espressif. They have everything documented on the web site.

The AT command for version is AT+GMR.

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