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Firmware Update: EOS 5D Mark IV Firmware Version 1.3.1

Thank you for using Canon products.

Affected Products
EOS 5D Mark IV

Changes in firmware:

The firmware (version 1.3.1) incorporates the following enhancement:
  1. Updated language displayed in the menu to improve readability.
Firmware Version 1.3.1 is for cameras with firmware up to Version 1.3.0 If the camera's firmware is already Version 1.3.1, it is not necessary to update the firmware.

Users manual in the Web is updated accordingly. Please download the manual as well as the latest firmware. You can download it from the official website.

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.