Find support for your Canon EOS 5D Mark III. Browse the recommended drivers, downloads, and manuals to make sure your product contains the most up-to-date software. EOS 5D Mark IV Firmware Update, Version 1.3.3 [Windows] Q&A: Preparations for a firmware update: 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. Changes in Version 1.3.1: 1. After pulling the firmware v1.3.2 for the Canon EOS R5 because of a few bugs, Canon has released an update that corrects the issues. If you have installed v1.3.2, you should update immediately. Firmware Version 1.3.3 incorporates the following fixes: Improves the camera’s connection Fixes incorrect wording on the Finnish language menu screen. Changes in version 1.0.3: 1. Corrects a phenomenon in which the color of images varies depending on the metering mode selected during flash shooting. 2. Improves the reliability of communication when using the EF1.4X III or EF2X III extender. 3. Firmware update successful! Camera now shows Firmware version 1.3.5. Easy Peasy! Thanks all. Canon released a series of Firmware update for Canon 5D Mark III, 60D and astrophotography camera 60Da, See more details and download links below. Firmware Version 1.1.3 incorporates the following improvements and fixes. 1. Supports the single focal length EF40mm f/2.8 STM lens that is to be released at the end of June, 2012. 2. Firmware Version 1.3.3 incorporates the following fixes. 1. Improves the camera’s connection compatibility to a PC while using a USB 3.0 or higher compatible cable. 2. Fixes an issue, in which self-timer shooting cannot be performed in Firmware Version 1.3.1 and 1.3.2. 3. Firmware version 1.4.0 is for cameras with firmware up to version 1.3.3. If the camera's firmware is already version 1.4.0, it is not necessary to update the firmware. The user’s manual on the website has been updated accordingly. lgbUS.