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Firmware Notice: EOS-1D X Firmware Update, Version 2.1.0

Thank you for using Canon products.

Phenomenon
Changes in the Firmware
Firmware Version 2.1.0 incorporates the following improvement and fixes:
  1. Fixes a phenomenon in which standard exposure may not be obtained, or an irregular exposure may result, when Silent LV (Live View) shooting with the following TS-E lenses: TS-E 50mm f/2.8L MACRO, TS-E 90mm f/2.8L MACRO, or TS-E 135mm f/4L MACRO.
  2. Changes the maximum number of “Release cycles” displayed from 1,000,000 cycles to 9,999,000 cycles. This value can be checked under the “Camera system information” menu.
  3. Fixes a phenomenon in which a synchronization failure may occur during multiple flash shooting.
  4. Fixes a phenomenon in which Error 80 occurs depending on the shutter release timing.
Affected Products
  • EOS-1DX

Support
Firmware Version 2.1.0 is for cameras with firmware up to Version 2.0.9. If the camera's firmware is already Version 2.1.0, it is not necessary to update the firmware.

When updating the firmware of the camera, please review the instructions thoroughly before you download the firmware.

Notes:
  1. Once the EOS-1D X camera is updated to Version 2.0.9, it cannot be restored to a previous firmware version (Version 1.0.2 through 2.0.8).
  2. It is recommended that the latest application software*1 be used, once the EOS-1D X is updated to the firmware Version 2.0.3 (or later) from older firmware (Versions 1.0.2 through 1.2.4). Certain previous versions of these applications do not support functions which are added by the new firmware. You can download the latest application software from our Web site.
    *1: EOS Utility version 2.13.30 or later
    *1: Digital Photo Professional version 3.13.50 or later
  3. Accompanying the enhancements to the functions, the instruction manual has also been revised. Users are asked to download both the latest firmware and the instruction manual. You can download the latest instruction manual from our Web site.
  4. As a result of this fix, cameras with Firmware Version 2.0.7 (or later) will not be able to read the "camera settings file" created with cameras running Firmware Version 2.0.3 (or earlier). If you require the "camera settings file", please create it after updating to firmware version 2.0.7 (or later).
Preparations for a firmware update:
Windows
After the downloaded compressed file (.zip) is extracted, a firmware folder is created.

*Extracting the downloaded file:
Right-click the zip file, and then select Extract All to extract the file.

The extracted folder contains the firmware (File name: 1DX000210.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 confirm the contents of the download, and carefully read through the firmware update procedures.

Macintosh
After the downloaded compressed file (.dmg file) is extracted, a firmware folder is created.

*Extracting the downloaded file:
The downloaded folder is automatically extracted, and a firmware folder is created. If the download folder cannot be automatically extracted, double-click the folder.

La carpeta extraída contiene el firmware (nombre del archivo:
The extracted folder contains the firmware (File name: 1DX00210.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 confirm the contents of the download, and carefully read through the firmware update procedures.

The following is the history of past firmware updates:

Q: Are the improvements from previous firmware versions included in Firmware Version 2.1.0?
A: Yes, the following improvements from the previous version are included:

(Previous) Version 2.0.9 improvements:
Corrects a phenomenon in which when using the camera with the EF 70-300mm f/4-5.6 IS II USM lens, even if lens aberration correction is set to “Enable”, correction will not be applied.

(Previous) Version 2.0.8 improvements:
  1. Fixes a phenomenon which occurs when the "Shutter button half-press" menu item, configured in "C.Fn5: Operation" > "Custom Controls Menu", is set to metering start only; depending on when the shutter button is half-pressed, it may initiate AutoFocus.
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.