Canon EOS R3 Firmware v1.9.0 Now Available

Canon has released firmware v1.9.0 for the EOS R3, this firmware update adds a couple of new features along with various bug fixes.

Canon EOS R3 v1.9.0

This firmware includes the following changes:

• The security function has been improved.
  A password can now be requested when the power is turned on.
  • You will need to set a password the first time.
  • You can change the settings so that the password request screen does not appear.
  • You can check the history of password changes, network information changes, etc.
  • *Please refer to the detailed guide “Setting a Password” on cam.start.canon.
• You can now update the firmware on the camera alone by downloading it from the Internet.
• A function has been added that allows you to protect an image at the same time as rating it.
• Supports CFexpress cards up to 8TB.
  • Cards over 8TB require a low level format in the camera.
  • Any card over 8TB will be treated as an 8TB card.
  • Cards over 2TB cannot be used for firmware updates
• A setting has been added to lower the image capture frame rate to prevent heat generation when connecting the CR-A100 and taking remote shots over long periods of time.
• When transferring images with voice memos via FTP, the order of transfer has been changed to voice memo, then image. Also, if a voice memo is added to an image waiting to be transferred, the image and voice memo will be transferred last.
• When used in combination with applicable lenses, AF tracking performance during zooming when shooting still images under specific shooting conditions has been improved.
  • *Applicable lenses (as of July 2025)
    RF24-105mm F2.8 L IS USM Z (Ver.1.1.0 or later)
    RF70-200mm F2.8 L IS USM Z
    RF100-300mm F2.8 L IS USM (Ver.1.0.8 or later)
• It is now possible to simulate exposure when using a strobe.
• Fixed an issue where Err70 could occur during Bluetooth communication due to interference from other Bluetooth devices.
• Fixed the phenomenon that Err70 would very rarely occur when repeatedly shooting in “High-speed continuous shooting +”. 
• Fixed an issue where image stabilization would stop working when performing certain operations with an EF lens attached.
• Fixed an issue where HDMI output would stop momentarily when [Monitor Off] was enabled in the power saving settings.

Download firmware v1.9.0