Yongnuo YN622C-TRX-II
firmware v1.24
Yongnuo · First seen Jul 11, 2026
v1.24 is the latest firmware for the Yongnuo YN622C-TRX-II.
What's in this update
Release notes not published by vendor — see official page. Check Yongnuo's website for the full details of what this update changes.
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