Changes in firmware:
1. Support for the RF85mm F1.2L USM DS lens has been added.
2. Corrects a phenomenon in which the function or setting value assigned to the control ring may change when the control ring is operated in Eco mode.
3. Corrects a phenomenon in which the camera may stop operating properly during “auto transfer” when using Camera Connect with a Wi-Fi connection.
4. Corrects a phenomenon in which high-speed synchronization with use of an external flash may not operate properly depending on the camera’s setting for C.Fn2 “Set shutter speed range”.
Firmware Version 1.6.0 is for cameras with firmware up to Version 1.4.0. If the camera's firmware is already Version 1.6.0, it is not necessary to update the firmware. Once the EOS R is updated to Version 1.6.0 (or later), it cannot be restored to a previous firmware version (Version 1.0.0 to 1.4.0).
Preparations for the firmware update:
In the folder you downloaded are the firmware (EOSR0160.FIR / file size: 33,978,400bytes) 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 check the procedure in accordance with the instruction.