Update the firmware on the Canon 5D Mark II. Canon recently released a firmware update to fix a lot of the v.1 bugs. This tutorial explains the process of updated the firmware from downloading on the Canon site to easily installing it on your camera. The firmware refresh is a great update for Mac and PC integration as well as the ability to Options. 05-13-2020 03:45 PM. So I have a an older Canon EOS Rebel XSI. I just bought a new High Performance SDHC Memory Card 16 GB. No matter what I do I can't get it to work. I flip the notch on the side, up down middle so forth. It keeps saying Card write protected. I have probably had about 20 differnt cards in the last12 years. Firmware Version 1.3.1 incorporates the following enhancement: 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. Notes: Users manual in the WEB is updated accordingly. Canon released three firmware update for DSLR cameras. The firmware update are for. Canon EOS 5D Mark IV – version 1.4.0 – download. Canon EOS 6D Mark II – version 1.2.0 – download. Canon Rebel T7 – version 1.2.0 – download. I linked Canon Japan because they were first to put the firmware updates online. Happy snapping…. Then this week, it was drawn to my attention on the EOSHD Forum that Canon had quietly released new firmware for the EOS R5 this week. EOS R5 Firmware Update Version 1.6.0. 22nd July 2022. Firmware Version 1.6.0 incorporates the following enhancements: 1. Adds [Auto Power Off Temp.: Standard/High] to the menu for movie recording. 1 person had this problem. 12-30-2022 02:19 PM - edited ‎12-30-2022 02:19 PM. If you feel that you are missing something. Latest version is 1.1.1. I have owned the EOS 6D Mark II for several years. I see on the Canon site there are firmware updates. EOS Utility - no download option for Mac OS 14 on the R6 mark II support page in Camera Software 10-03-2023 New EOS R6 Mark II Firmware Update, Version 1.2.0 (Type Firmware Date 09.26.23 File Size 76.03 MB) in Camera Software 09-28-2023 ShutterCheck is great software to identify shutter actuations. As with EOS Info, you need to run the software on your Mac and connect your camera using a USB cable. If you have the latest Canon EOS cameras like 5DS, 1D X Mark II, and 5D Mark IV, you can view the extended parameters of your device. pFloeh.