Unzip the downloaded folder to find the firmware file ending in .FIR (typically 5D200212.FIR ).

Connect your CF card to your computer via a card reader. Copy the firmware file ( 5d2000213.fir ) directly to the root directory of the card (not inside any folders). Updating Process

The progress bar will appear. Do not touch any buttons or turn the camera off until it says "Update is complete".

Are you looking to for video or stills once the update is complete?

The official, final firmware release for the , and there is no official "Version 2.1.3" ever released by Canon. If your camera is running anything older, upgrading to the official v2.1.2 is critical to optimize compatibility with fast UDMA 7 CompactFlash cards and unlock manual audio controls, full HD video frame rates, and bug fixes.

Resolves rare communication drops between the camera sensor and specific attached EF lenses.

You can find the direct download files on the Canon Support Page for EOS 5D Mark II . Note that because this camera is a legacy model, you may need to select an older operating system like on the dropdown menu to make the firmware file appear in the download list. What Does the Final Firmware Update Add?

If your camera is currently running a version lower than 2.1.3, it is highly recommended to update to ensure full compatibility with modern Canon lenses and optimal performance. Canon 5D Mark II Firmware Update 2.1.3 Download

The story of the Canon EOS 5D Mark II Go to product viewer dialog for this item.

Since Canon no longer pushes this update through EOS Utility, you must download it manually from the .

Press the Menu button, navigate to the third Setup tab (wrench icon), and scroll down to Firmware Ver. If it already reads 2.1.2, you do not need to update.