Firmware Ver 1.1.0 incorporates the following fixes and enhancements:
1 Adds the ability to set [AF for close-up demos] during movie recording in [Movie manual exp.], [Movie auto exposure], and other Creative Zone modes to allow for its use in combination with exposure and AF area settings.
2 Adds the ability to set [grid display] during movie recording.
3 Adds support for the Wireless Remote Controller BR‑E2.
4 Adds support for the Software Development Assistance Kit (EDSDK/CCAPI).
5 Fixes an issue that may cause image transfers to an FTP server to fail and for Err41 to be displayed.
6 Fixes an issue that may impact the camera's shooting ability if the auto power-off function is activated during interval timer shooting.
7 Fixes an issue that may cause the camera to not be recognized when connected to a smartphone via USB.
8 Fixes an issue that may cause the movie digital IS metadata to be output incorrectly when recording movies at frame rates below 24 fps in [Slow&Fast Motion Movie] mode.
9 Improves operational stability.
If the camera's firmware is already Ver1.1.0, it is not necessary to update the firmware.
The User Manual on our website has been updated accordingly. Please download the User Manual as well as the latest firmware. You can download it from the official website.
Q&A Section:
Preparations for the firmware update:
In the folder you downloaded are the firmware (R6311000.FIR / file size: 66338816 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 to carefully review the instructions to confirm your understanding of the firmware update procedures.
Firmware download link:
https://www.canon.com.au/cameras/eos-r6-mark-iii/support?option=drivers