Firmware Notice: EOS R3: Firmware Version 1.7.1.

Firmware Version 1.7.1 incorporates the following fixes and enhancements:

  1. Enables servo zooming to be remotely controlled from EOS Utility or Camera Connect when Power Zoom Adapter PZ-E2/PZ-E2B is attached to a compatible lens.
  2. Enables up to 2 TB to be used on CFexpress cards larger than 2 TB.
  3. Fixes an issue that may cause the camera, in rare instances, to stop functioning when using GPS.
  4. Fixes an issue that may display Error Code 70 when performing anti-flicker shooting at a shutter speed of 1 second or higher.
  5. Enhances security for FTPS (File Transfer Protocol Security) connections.
  6. Fixes an issue in which Mobile File Transfer may not function when connecting the camera to an iPhone compatible with USB 3.0 and higher.
  7. Fixes an issue that, under specific circumstances, may prevent the image from being displayed in the viewfinder or on the screen causing the camera to stop operating, or Error Code 70 may be displayed.
  8. Fixes minor issues.

Firmware Version 1.7.1 is for cameras with firmware up to Version 1.6.0.If the camera's firmware is already Version 1.7.1, it is not necessary to update the firmware.


Download Firmware Version 1.7.1 for the EOS R3.

To help obtain optimal performance of this camera, we recommend that you download and install the most recent versions of Canon software and the EOS R3 Advanced User Guide (PDF).

If you have not already done so, please register the EOS R3. By registering, we will be able to notify you via email about future announcements.

This information is for residents of the United States and its five territories only. If you do not reside in the USA or its five territories, please contact the Canon Customer Support Center in your region.

Thank you,
Customer Support Operations
Canon U.S.A., Inc.

Still need some help? In order to get more personalized and faster support, we recommend registering your product in your Canon Account.

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