Godox TT685S firmware v2.1

Godox · Released Dec 1, 2017 · First seen Jul 5, 2026

v2.1 is the latest firmware for the Godox TT685S, released December 1, 2017.

What's in this update

  1. To add the option of wireless ID（C.Fn-ID）2.To add the ON/OFF op​tion of SLAVE mode indicator（C.Fn-Sv LED）3.To add the fun​ction that the flash can be triggered by pressing the TEST button when being attached to camera.

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