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Firmware Notice: EOS 5D Mark IV: Firmware Version 1.0.4

Details

Firmware Version 1.0.4 incorporates the following fixes and improvements:

  1. Fixes a phenomenon in which a red-colored area may appear at the bottom-center of a captured image when shooting in bulb mode or during a long exposure.
  2. Fixes a phenomenon in which the autofocus may not respond when the autofocus is initiated via pressing the shutter button, the AF-ON button or the AE lock button when configured in the custom control menu.
  3. Enhances the reliability of communications between the camera and SD card.
  4. Fixes incorrect wording on the Finnish language menu screen.

Firmware Version 1.0.4 is for cameras with firmware up to Version 1.0.3. If the camera's firmware is already Version 1.0.4, it is not necessary to update the firmware.
When updating the firmware of your camera, please first go over the instructions thoroughly before you download the firmware.


Preparations for the Firmware Update:

In the folder you downloaded are the firmware (file name: 5D400104.FIR / file size:  31,518,640 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 confirm your understanding of these instructions.


Support

Download Firmware Version 1.0.4 for the EOS 5D Mark IV.

If you have not already done so, please register the EOS 5D Mark IV. By registering, we will be able to notify you via email about future announcements.
This information is for residents of the United States and its five territories only. If you do not reside in the USA or its five territories, please contact the Canon Customer Support Center in your region.

Thank you,
Customer Support Operations
Canon U.S.A., Inc

Contact Information for Inquiries
Canon Customer Support Center
Phone: 1-800-OK-CANON
  1-800-652-2666
TDD: 1-866-251-3752

Email: carecenter@cits.canon.com
Support options and hours of operation: www.usa.canon.com/support