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EOS-1D X Mark III Firmware Update, Version 1.6.1

8th February 2022

Firmware Version 1.6.1 incorporates the following fixes and enhancements:

1. Adds Ukrainian as an option to the language of "Browser Remote".

Firmware Version 1.6.1 is for cameras with firmware up to Version 1.6.0 If the camera's firmware is already Version 1.6.1, it is not necessary to update the firmware.

The Applications have been updated accordingly:
Please download the Applications as well as the latest firmware.

Q&A Section:
Preparations for the firmware update:

In the folder you downloaded are the firmware (1DX3161.FIR / file size: 65,839,936 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 check the procedure in accordance with the instruction.

Firmware download link:

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