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Changes in firmware:
The new firmware (version 1.6.0) incorporates the following enhancements:
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).
Should you have any questions about the announcement, please contact the Authorized Service Facility in your area or you may contact the Call Center within your region.