R5- Incompatible with Sony Tough 512GB Card after firmware update

[clairepics]

My friend and I both just purchased R5s. His has the original firmware and I just updated mine to Version 1.2.0 from canon's website. I put in a brand new 512GB Sony Tough CF Express card and the camera said it was not a compatible card. It asked me to take it out and put it back in again or reformat it. I tried both. The camera couldn't reformat it because it wasn't compatible. I then handed the brand new card to my friend to try in his R5 that didn't have the new firmware and it read it with no problems and he was able to format the card for me. After formating the card on his original firmware R5, it worked perfectly in my camera.

Does this mean Version 1.2.0 is not compatible with Sony tough 512GB cards? If so, does this mean I'm limited to other brands or smaller cards from now on? My friend lives in Dallas and is only here for the holidays, so I'm not going to be able to lean on his camera after tomorrow. Is this a known bug or issue that could be fixed?

Thanks!
Claire

[Waddizzle]

I suggest that you rollback the firmware to the previous version if it is still available to download.

[jrhoffman75]

Give Canon a call at 1-800-OK-CANON. 

[shadowsports]

Agree with Wadizzle, rollback unless you are willing to part with the card...

But also do as John suggested, contact Canon, they need to be aware of a compatibility issue if one exists.  Thats an expensive card to be rendered useless by a FW update.   

[jrhoffman75]

I don’t believe Canon cameras allow firmware rollbacks.

[shadowsports]

Sadly, John is correct.

Firmware Version 1.2.0 is for cameras with firmware up to Version 1.1.1. If the camera's firmware is already Version 1.2.0, it is not necessary to update the firmware.
Once the EOS R5 is updated to Firmware Version 1.2.0 (or later), it cannot be restored to a previous firmware version (Version 1.0.0 to 1.1.1).

I was hopeful though as well.

[Peter]

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@jrhoffman75 wrote:
I don’t believe Canon cameras allow firmware rollbacks.

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Worked with my 6D and my 7D. Also works with R6 and Eos Utility or R6 and two cards. Also 5D III works.

[Waddizzle]

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@Peter wrote:

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@jrhoffman75 wrote:
I don’t believe Canon cameras allow firmware rollbacks.

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Worked with my 6D and my 7D. Also works with R6 and Eos Utility or R6 and two cards.

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If it did not work, then how would someone install Magic Lantern, or later remove it.

[jrhoffman75]

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@Peter wrote:

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@jrhoffman75 wrote:
I don’t believe Canon cameras allow firmware rollbacks.

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Worked with my 6D and my 7D. Also works with R6 and Eos Utility or R6 and two cards. Also 5D III works.

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So what Canon states is incorrect?

Firmware Version 1.2.0 is for cameras with firmware up to Version 1.1.1. If the camera's firmware is already Version 1.2.0, it is not necessary to update the firmware.
Once the EOS R6 is updated to Firmware Version 1.2.0 (or later), it cannot be restored to a previous firmware version (Version 1.0.0 to 1.1.1).

[Waddizzle]

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@jrhoffman75 wrote:

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@Peter wrote:

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@jrhoffman75 wrote:
I don’t believe Canon cameras allow firmware rollbacks.

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Worked with my 6D and my 7D. Also works with R6 and Eos Utility or R6 and two cards. Also 5D III works.

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So what Canon states is incorrect?

Firmware Version 1.2.0 is for cameras with firmware up to Version 1.1.1. If the camera's firmware is already Version 1.2.0, it is not necessary to update the firmware.
Once the EOS R6 is updated to Firmware Version 1.2.0 (or later), it cannot be restored to a previous firmware version (Version 1.0.0 to 1.1.1).

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It might be true for this particular firmware release.  I have seen this message before, too, that it cannot be rolled back on other updates.