Leica Q3/Q3M/Q343 firmware update version 4.1 released

By LR admin | Published: May 13, 2026


Leica released new firmware updates (version 4.1) for the Q3/Q3M/Q343 cameras:

Improvements:

  • The warning message displayed upon power-up of the camera in which a BP-SCL4 rechargeable battery is used, was removed.
  • Pictures taken in portrait format will now be displayed in full screen view.
  • A menu option was added, in which focus peaking will be displayed only when focusing is done manually via the MF focus ring.
  • The currently selected AF mode will now be displayed in the form of an additional icon in the upper status bar.
  • In AF mode, Tracking will display the frame in the color of the respective detection status. Tracking will remain inactive when no person or animal is detected; green markers signify focus.

Troubleshooting

  • An issue occurring in user profiles was remedied: The camera would sometimes freeze when switching from a profile with Leica FOTOS = Off to a profile with Leica FOTOS On. This behavior was corrected.
  • The color matrixes stored in DNG files were updated. As a result, color rendering in third party software using these matrixes for color presets is now improved.

Download links:

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