Yongnuo YN40MMF28N firmware v1.02

Yongnuo · First seen Jul 11, 2026

v1.02 is the latest firmware for the Yongnuo YN40MMF28N.

What's in this update

V1.02 2017-12-26

  1. Improve compat​ibility;
  2. Fix other bugs.

V 1.01 2017-09​-28

  1. Improved focus performance;
  2. Other improvements.

updatemystuff.com never hosts firmware files — always download from the official source.

Get it from Yongnuo

Watch the YN40MMF28N for updates

Create a free account and get an email the moment Yongnuo publishes new firmware.

Create account & watch

See the full firmware history for the YN40MMF28N