Summary
- OM SYSTEM released firmware version 1.1 for the OM-5 Mark II on October 28, 2026.
- The stated change is improved operational stability, without an itemised list of fixes.
- No new photography or video capabilities have been announced.
- Owners can check and install updates using the company’s official tools.
OM SYSTEM has released firmware version 1.1 for the OM-5 Mark II, targeting improved operational stability for the mirrorless camera.
The update appeared on October 28, 2026. Its change description is brief: no individual bugs are identified, and no new photography or video features are announced.
What changes in version 1.1
The only stated change is improved operational stability. There is no detailed breakdown for autofocus, image stabilisation, 4K capture or camera controls, so it would be misleading to credit this firmware with specific improvements in those areas.
The OM-5 Mark II has a 20.4MP Micro Four Thirds sensor, five-axis in-body image stabilisation and 4K recording. Its appeal to travel and outdoor photographers is well established: National Geographic selected it for adventure photography for its combination of low weight and weather-resistant construction.
More information here.
How to install the firmware
Updates can be checked through the official OM SYSTEM tools. The manufacturer documents a process using the OI.Share smartphone app and another through OM Workspace on a computer. OI.Share displays the available firmware version before installation. If version 1.1 does not appear, check availability for your specific camera and market.
For a phone-based update, follow the official OI.Share firmware instructions. For a computer, consult the OM Workspace update instructions. Before starting, back up compatible camera settings, charge the battery sufficiently and do not disconnect the camera until the update is confirmed as complete.
Updating the firmware does not automatically change hardware specifications or accessory compatibility. For instance, the OM-5 Mark II incompatibility with the FL-LM3 flash is a separate issue; no change to that limitation has been announced with firmware 1.1.
What we think
A firmware note that says only “stability improvements” is unlikely to excite photographers hoping for new shooting tools. But for a camera you carry on a hike, in the rain or on a long trip, dependable behaviour matters more than another menu option. A freeze at the wrong moment can cost a shot you cannot repeat.
We would prefer OM SYSTEM to explain which specific behaviours have been addressed, so photographers know what to test afterwards. In practice, install the update well before an important assignment, then check your usual settings, smartphone connectivity and the lenses you actually use.
Frequently asked questions
Does firmware 1.1 add new features to the OM-5 Mark II?
No new features have been announced. The published description mentions improved stability without an itemised list of fixes.
Can firmware 1.1 be installed from a phone?
OM SYSTEM documents updating the OM-5 Mark II through OI.Share. The app checks which firmware version is offered to the connected camera; alternatively, OM Workspace can be used on a computer.
