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Firmware Update: EOS-1D X Mark III Firmware Version 1.9.0

Thank you for using Canon products.

Affected Products

Changes in firmware:

The firmware (version 1.9.0) incorporates the following fixes and enhancements:
  1. Enables up to 2 TB to be used on CFexpress cards larger than 2 TB.
  2. Fixes an issue that may cause the camera, in rare instances, to stop functioning when using GPS.
  3. Enhances security for FTPS (File Transfer Protocol Security) connections.
  4. Fixes an issue that, under specific circumstances, may prevent the image from being displayed in the viewfinder or on the screen causing the camera to stop operating, or Error Code 70 may be displayed.
Firmware Version 1.9.0 is for cameras with firmware up to Version 1.8.0 If the camera's firmware is already Version 1.9.0, it is not necessary to update the firmware.

Download Firmware Version 1.9.0 by clicking this link. Then select the Firmware Tab.

The User Manual on our website has been updated accordingly. Please download the User Manual as well as the latest firmware. You can download it from the official website.

Preparations for the firmware update:
In the folder you downloaded are the firmware (1DX30190.FIR / file size: 65,952,240 bytes) and instructions on the firmware update procedures (a PDF file in five languages: Japanese, English, French, Spanish, and Simplified Chinese). Before starting the firmware update operations, please be sure to check the procedure in accordance with the instruction.

Contact Information
Should you have any questions about the announcement, please contact the Authorized Service Facility in your area or you may contact the Call Center within your region.