Firmware 1.2.1 for the 5D Mark III in the Wild

Last updated: May 6, 2025 4:14 am

Published: April 21, 2013

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5D Mark III?

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5D Mark III's running the new firmware
We've received various reports that EOS 5D Mark III's that have come back from Canon service in the last week are running firmware 1.2.1.

So I guess if you can't wait until the 30th of April, you can drop your camera off to Canon!

TAGGED:EOS 5D Mark III firmware

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ByCraig

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Craig is the founder and editorial director for Canon Rumors. He has been writing about all things Canon for more than 17 years. When he's not writing, you can find him shooting professional basketball and travelling the world looking for the next wildlife adventure. The Canon EOS R1 is his camera of choice.