EOS R1 Firmware Update, Version 1.0.2

Firmware Version 1.0.2 incorporates the following enhancements and fixes.

1. Optimizes the timing of the camera's display of its internal camera temperature warning indicator.

2. Fixes an issue that may interfere with the camera’s ability to focus properly when using AF (autofocus) in certain zoom ranges.

If the camera's firmware is already Version 1.0.2, it is not necessary to update the firmware.

Preparations for the Firmware Update:
In the folder you downloaded are the firmware (EOSR1102.FIR / file size: XX,XXX,XXX
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:
EOS R1 Firmware Download Link