How To Revert a Canon Camera’s Firmware, Method #1 That said, some who tried the method reported in the comments that it worked for them, so it appears inconsistent and may or may not work on a case-by-case basis. Once you select your pick, you can close the memory card door, and press “OK” to start the installation.Īs a note, this method didn’t work for KH Cams and stopped at 73% progress every time. Step 3: The camera will now give an option to pick either of the two versions and you can select the older one.As the camera displays the latest firmware version it has installed, press “OK” and instantly open the memory card slot to insert the second memory card with the older firmware version. Step 2: Locate the “Firmware” section and click it.Step 1: Insert one memory card with the latest firmware version into the camera and open the settings menu.The first option involves using two SD cards. The following fixes have been incorporated.įixes a phenomenon in which the settings of the Speedlite Transmitter ST-E2 revert to the default settings when both the camera and the ST-E2 are set to auto power off.įixes a phenomenon in which the Macro Ring Lite (MR-14EX, MT24-EX) and slave flashes do not sync while shooting wirelessly.Īre the previous versions of firmware included in version 1.2.How To Revert a Canon Camera’s Firmware, Method #1 What’s are the changes in the Version 1.2.3 firmware? If the camera’s firmware is already Version 1.2.3, it is not necessary to update the firmware. The Version 1.2.3 firmware being released this time is for cameras with firmware up to Version 1.2.2. The new firmware (Version 1.2.3) is now available for download by clicking here: 7D Firmware Update 1.2.3 Macro Ring Lite (MR-14EX, MT-24EX) and slave flashes do not sync while shooting wirelessly.

Phenomenon in which the settings of the Speedlite Transmitter ST-E2 revert to the default settings when both the camera and the ST-E2 are set to auto power off.

Update Firmware Version 1.2.3 incorporates the following improvements and fixes:

Canon 7d firmware version 2