<h1>Canon EOS-1D X Mark III, EOS R3, EOS R5, EOS R6 firmware updates </h1>

Canon recently released the following firmware updates. Download links are provided below.

EOS R3 Firmware Version 1.7.1

• When the power zoom adapter PZ-E2/PZ-E2B is attached to a compatible lens, servo zoom can now be performed remotely from EOS Utility and Camera Connect
• CF Express cards with a capacity greater than 2TB can now be used up to 2TB
• Fixed an issue where the camera would occasionally stop working while using the GPS function
• Corrected a phenomenon where error 70 may occur when taking flickerless shots with a shutter speed of 1 second or more
• Enhanced security during FTPS connection
• Fixed an issue where Mobile File Transfer could not be used when connected to an iPhone that supports USB 3.0 or higher
• Fixed a phenomenon that occurred only under certain conditions, where the image was not displayed properly on the viewfinder or monitor and the camera became inoperable (Error 70 may be displayed)
• Fixed minor bugs

EOS R5 Firmware Version 2.0.0

• When the power zoom adapter PZ-E2/PZ-E2B is attached to a compatible lens, servo zoom can now be performed remotely from EOS Utility and Camera Connect
• CF Express cards with a capacity greater than 2TB can now be used up to 2TB
• Corrected a rare phenomenon where the camera took a long time to start up, such as when returning from auto power off
• Fixed a phenomenon that occurred only under certain conditions, where the image was not displayed properly on the viewfinder or monitor and the camera became inoperable (Error 70 may be displayed)
• Fixed minor bugs

EOS R6 Firmware Version 1.8.4

• Corrected a rare phenomenon where the camera took a long time to start up, such as when returning from auto power off
• Fixed a phenomenon that occurred only under certain conditions, where the image was not displayed properly on the viewfinder or monitor and the camera became inoperable (Error 70 may be displayed)
• Fixed minor bugs

EOS-1D X Mark III Firmware Version 1.9.0

• CF Express cards with a capacity greater than 2TB can now be used up to 2TB
• Fixed an issue where the camera would occasionally stop working while using the GPS function
• Enhanced security during FTPS connection
• Fixed a phenomenon that occurred only under certain conditions, where the image was not displayed properly on the viewfinder or monitor and the camera became inoperable (Error 70 may be displayed)