05-09-2019 10:33 AM
05-09-2019 10:36 AM
The little sensor microswitch that is in the card slot is stuck. You might be able to use a toothpick or something to wiggle it loose. Or, send it in to Canon.
05-10-2019 11:15 AM
Or the little sliding switch on the side of the SD card itself is in the locked position.
09/26/2024: New firmware updates are available.
EOS R5 Mark II - Version 1.0.1
EOS R6 Mark II - Version 1.5.0
07/01/2024: New firmware updates are available.
04/16/2024: New firmware updates are available.
RF100-300mm F2.8 L IS USM - Version 1.0.6
RF400mm F2.8 L IS USM - Version 1.0.6
RF600mm F4 L IS USM - Version 1.0.6
RF800mm F5.6 L IS USM - Version 1.0.4
RF1200mm F8 L IS USM - Version 1.0.4
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