EOS R3 Firmware Version 2.1.0

Firmware Ver2.1.0 incorporates the following fixes and enhancements:

1. Adds [Wi‑Fi freq. band] to [Communication Settings], allowing the user to select the 5 GHz or 2.4 G Hz band when transferring from Bluetooth to Wi-Fi.

2. Adds the ability to switch the group settings of a receiver camera from the sender camera when using the EOS Multi-Remote app.

3. Fixes an issue that may cause Err49 to be displayed repeatedly during communication with an SFTP server.

4. Improves other system stability.

If the camera's firmware is already Ver2.1.0, it is not necessary to update the firmware.

The User Manual on our website has been updated accordingly. Please download the User Manual as well as the latest firmware. You can download it from the official website.

Q&A Section:
Preparations for the firmware update:
In the folder you downloaded are the firmware (EOSR3210.FIR / file size: 88072192 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-r3/support?option=drivers