Firmware Version 1.8.3 incorporates the following enhancements and fixes.
1. Fixes an issue, in which, after touchscreen operation, in rare circumstances, the camera operations cannot be performed, and even if the camera is operated, [BUSY] appears on the screen.
2. Fixes minor issues.
If the camera's firmware is already Version 1.8.3, it is not necessary to update the firmware.
Preparations for the Firmware Update:
In the folder you downloaded are the firmware (EOSR6183.FIR / file size: 48,520,000 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/support?option=drivers