Canon EOS R6 Mark III firmware v1.0.1

Canon · Released Nov 14, 2025 · First seen Jul 5, 2026

v1.0.1 is not the latest firmware for the Canon EOS R6 Mark III: the current version is v1.1.2 (October 13, 2026). Go to v1.1.2

What's in this update

Firmware Version 1.0.1 incorporates the following enhancements and fixes:

  1. Fixes an issue that, in rare instances, may prevent certain CFexpress cards from being formatted in ​the camera. If the camera's firmware is already Version 1.0.1, it is not necessary to update the firmware. Please perform the firmware update with only the firmware file to be updated stored on the memory card. Preparations for a firmware update: After the downloaded compressed file (.dmg file) is extracted, a firmware folder is created.
  • Extracting the downloaded file: The downloaded folder is automatically extracted, and a firmware folder is created. If the download folder cannot be automatically extracted, double-click the folder. In the folder you downloaded are the firmware (R6310100. FIR / file size: 66,176,096 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. (The following is the history of past firmware updates) Firmware Version 1.0.1 is the first update to be released.

updatemystuff.com never hosts firmware files — always download from the official source.

Get it from Canon

Watch the EOS R6 Mark III for updates

Create a free account and get an email the moment Canon publishes new firmware.

Create account & watch

Other versions for this product

See the full firmware history for the EOS R6 Mark III