Firmware Updates

Download firmware updates for your Leaf Credo digital back, your Mamiya 645DF+ or your iXR camera.

Firmware updates normally improve the performance of your hardware, add features and functionality and in some cases also fix bugs and other issues. Please read the Release Notes and/or Readme files that are relevant to the firmware that you are downloading as they include instructions as well as explanations about new features and any remaining known issues.

PHASE ONE XF UPDATE #3.1 features improved stability of the XF Camera. Issues found with specific equipment combinations, in tethered and untethered workflows which resulting in a "camera error" message have now been corrected.

New firmware adding new functionality to the XF Camera in combination with the Mamiya-Leaf Credo digital backs. The new Firmware introduces advanced flash controls with in-camera Profoto AirTTL, Profoto Air and a visual flash curve tool. Furthermore the new firmware version 3.02.4 for the XF introduces several workflow tools and functions to enhance the customization of the camera system, improving productivity and professional delivery of the XF Camera System.

New XF Camera features:

  • New and advanced flash control
  • Profoto AirTTL
  • Profoto Air built directly into the XF Camera System
  • Rear Curtain sync
  • Flash Analysis Tool – visual flash curve
  • Configurable Icon Controls on the XF Camera Body
  • Long press the icons in the lower bar of the XF Top Screen, and select which functions are available in the control bar
  • New drive modes
  • Bulb (B), Time/Toggle (T) mode are now available for long exposure

Follow these links to download the new firmware and release notes/ instructions:
Phase One XF Firmware 3.02.4
Firmware Update #3.02.4 Release Notes

Leaf Credo Firmware

The Leaf Credo firmware can be installed via CompactFlash card, FireWire or USB. For FireWire or USB installation, you need firmware 2.01 as a minimum and Firmware Updater 3.2.3 or later.


Credo Firmware 4.02 Release Notes
Credo Firmware 4.02

Leaf Credo 50 Firmware

Credo 50 Firmware 2.02 Release Notes
Credo Firmware 2.02

Mamiya 645DF/645DF+ firmware

The Mamiya 645DF/DF+ firmware can be installed by using your V-Grip Air device. If you do not have one please contact your Mamiya Leaf dealer who can help you.

Mamiya 645DF+ Firmware 2.31 Release Notes
Mamiya 645DF+ Firmware 2.31

Mamiya 645DF+ Firmware 2.27 Release Notes
Mamiya 645DF+ Firmware 2.27

Mamiya 645DF Firmware 1.58
Mamiya 645DF Firmware 1.58 Release Notes

Firmware Updater

The Firmware Updater utility allows you to check the current firmware on your device and to find the current and latest versions online. You can also use it for installing the the firmware offline. It works with Leaf Credo backs, Mamiya 645DF/DF+ cameras and also Phase One iXR and 645DF/DF+ cameras. The downloads below contain instructions for using the the Firmware Updater.

Firmware Updater 3.3.1 for Mac
Firmware Updater 3.3.1 for Windows


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