How to Install Firmware onto Canon EOS Cameras

Canon EOS Camera Firmware Upgrade

In order to update your camera’s firmware, you will need to see if there is a new firmware version available on Canon’s website as compared to your camera’s current version.

The current firmware version for Canon EOS cameras is found under Menu, Set-Up, and firmware version. For our purposes, we will being looking at the Canon EOS 5D Mark IV, since I own this model.

The current firmware on one of my 5D Mark IV’s is Version 1.21, from September 12, 2019, the most recent firmware for the 5D Mark IV is Version 1.33 from June 16, 2021.

The most up-to-date firmware for Canon EOS cameras is available for free on Canon’s website for Mac OS X and Windows computers.

After locating your operating system’s firmware version, download the file after agreeing to Canon’s terms and conditions.Once the firmware file is downloaded, it needs to be unzipped and mounted to your computer as a disk image.

Then, transfer the .fir file to your camera through EOS Utility or by copying to the root directory on your camera’s formatted SD card.

Precaution

Before updating firmware, make sure the camera’s battery is fully charged as the camera can become disabled if power is lost during update. Do not touch any buttons during the update process or open the memory card slot on the camera.

From within the camera’s menu, navigate to the firmware upgrade tab and execute, the camera will then boot the update process and follow on-screen instructions.

What to Expect

Depending on your camera model, the firmware update may add a few or great amount of new features to the camera’s usability and interface.

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