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Today, Leica has released minor firmware update v4.1 for the CL mirrorless camera. This update doesn't add any new features or functionality. The release notes simply state “bug fixes.” Our guess is that these bug fixes are to patch the more significant v4.0 firmware update released last year, which updated the menu interface and added cropped shooting modes – both features taken from the Q2. Even if you haven't experienced any quirks yourself with version 4.0, we always recommend staying up to date with the latest firmware version.


Download Leica CL Firmware v4.0


How To Update Firmware

We’ve made an easy step-by-step video on how to update your camera’s firmware. And while the firmware version used for this videos are a bit on the older side, the instructions remain the same. Just click the download link above to get started. If you prefer the written steps, we've got those below the video (from Leica's official update instructions).


  • Fully charge and insert the rechargeable battery
  • Any stored firmware files on the memory card must be removed
    • We recommend saving any recordings on the memory card and reformatting it before the update. (Caution: Loss of data! All data stored on the memory card will be lost during formatting.)
  • Download the latest firmware version
  • Save the download to the memory card
    • Store the firmware file in the main directory of the memory card (not in a subdirectory).
  • Insert the memory card into the camera
  • Switch the camera on


  • Preparation
  • Select Camera Information in the main menu
  • Select Camera Firmware Version
  • Select Start Update
    • This menu item is available only if the inserted memory card contains a current firmware file.
    • A prompt with information about the camera is displayed.
  • Check the version information
  • Select Yes
    • The update will start automatically.
    • Once the process has completed successfully, a relevant message will appear and the camera will restart.


Date & time, as well as the preferred language will have to be set up again after the restart. Relevant prompts will appear on screen

About The Author

Leica Specialist

David Farkas is a self-admitted Leica junkie and an avid photographer since he was seven years old. He also owns and operates leading Leica dealer Leica Store Miami in beautiful Coral Gables, Florida with his wife Juliana. David has years of experience shooting with just about every Leica camera and lens made within the last few decades.

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4 Responses

  1. Kai

    I can not believe the CL gets several updates and in contrast the SL2 has not seen any within the last year to solve the known and well reported firmware issues.

  2. Wesley

    My CL has 4.0. Where can I find 4.1. You said its released but i do no see a download option for it. Please advise.
    New to Leica

  3. Steve

    I’ve downloaded the CL 2.0 and 4.0 firmware update. About to download the 4.1 update. Do I need to download each firmware update i.e. 2.1, 3.0, 3.1, etc. to ensure I capture all the updates or will downloading the latest update (4.1) capture ALL the updates?


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