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EOS-1D X Mark III
Changes in firmware:
The firmware (version 1.7.1) incorporates the following fixes and enhancements:*
Firmware Version 1.7.1 is for cameras with firmware up to Version 1.7.0 If the camera's firmware is already Version 1.7.1, it is not necessary to update the firmware.
Download Firmware Version 1.7.1 by clicking this link. Then select the Firmware Tab.
Preparations for the firmware update:
In the folder you downloaded are the firmware (1DX30171.FIR / file size: XX,XXX,XXX 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 carefully review the instructions to confirm your understanding of the firmware update procedures.
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.