OM System E-M5 Mark II
firmware v4.1
OM System · Released Jan 24, 2019 · First seen Jul 5, 2026
v4.1 is the latest firmware for the OM System E-M5 Mark II, released January 24, 2019.
What's in this update
- Wireless radiowave commander FC-WR is now supported.
- Stability of operation when using SD card (UHS-II) has been improved.
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