Firmware Version 1.3.2 incorporates the following enhancements and fixes:
1. Improves a delay that may occur in the live view display when shooting with the EOS Multi Remote app.
2. Fixes an issue that may cause the receiver camera to fail to capture images during linked shooting with EOS Multi Remote when the sender camera is connected to an FTP server.
3. Fixes an issue that may cause the camera to restart during shooting when Dual Pixel RAW is enabled.
4. Improves operational stability.
If the camera's firmware is already Version 1.3.2, it is not necessary to update the firmware.
Preparations for the Firmware Update:
In the folder you downloaded are the firmware (R5213200.FIR / file size: 261,348,560 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-r5-mark-ii/support?option=drivers