4. SUPPORT AND UPDATE: Canon, Canon's subsidiaries and affiliates, their distributors and dealers are not responsible for maintaining or helping you in your use of the Software. No updates, bug-fixes or support will be made available to you for the Software. 5. DISCLAIMER: Firmware Version 1.4.0 is for cameras with firmware up to Version 1.3.0. If the camera’s firmware is already Version 1.4.0, it is not necessary to update the firmware. Just like with the EOS R5, the EOS-1D X Mark III gets the ability to record lower bit rate RAW video files. The EOS-1D X Mark III also gets Canon Log 3, the log gamma curve Jan 8, 2014 Update: Canon has improved the EOS-1D X's capabilities in Firmware Update v. 2.0.3. Here are some of the details of this upgrade: Here are some of the details of this upgrade: Auto focusing performance under low-light conditions has been enhanced when performing focusing before shooting in AI Servo AF mode. Preparations for the firmware update: In the folder you downloaded are the firmware (file name: 5D400140.FIR / file size: 31,845,024 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 EOS 5D Mark IV Firmware Update, Version 1.4.0 [Windows] For Windows 11, 28th April 2023 Smartphone (Device) Specifications and System Requirements for a Wireless Connection with a Camera (Canon Camera Connect) In the folder you downloaded are the firmware (1DX30180.FIR / file size: 65,886,352 bytes) and instructions on the firmware update procedures (a PDF file in five languages: Japanese, English, French, Spanish, and Simplified Chinese). Firmware Version 1.3.3 incorporates the following fixes: Improves the camera's connection compatibility to a PC while using a USB 3.0 or higher compatible cable. Fixes an issue, in which self-timer shooting cannot be performed in Firmware Version 1.3.1 and 1.3.2. Fixes an issue, in which an electronic beep does not sound when registering an AF Looking for firmware update for EOS 400D/Rebel XTi. F-GGCV. Contributor. Options. 03-13-2022 02:06 PM. Hello, I just received an EOS 400D/Rebel XTi from a family member. I noticed the firmware is v1.0.4 which I assume is very old, probably the original from 2006. I was looking for updating it, but the Canon site indicates that there is none oIkx.