Yongnuo YN685EX RF FOR S firmware

Firmware history

1. Version 1.06 Latest First seen Jul 11, 2026
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   V1.06 2023/10/13

   1. Optimize camera compatibility;
   2. Other opti​mizations.

   V1.03 2022/5/21

   1. Optimize the communication stability with the camera
   2. Optimize TTL exposure
   3. Optimize the compatibility of radio system

   V1.02 2022/1/15

   1. Optimize camera compatibility;
   2. Optimize TTL expo​sure;
   3. Added support for camera customization button "wireless test flash" function(Make sure that the camera you are using supports this feature);
   4. Other optimizations.
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