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Thunderbolt Downgrade NVM31 Solution for Thunderbolt 2 devices

spicytunafish
Star I

Hi!

I recently got a Z790 Maximus Hero, suddenly my Apollo Twin Duo MKII can't be found in my devices. I have seen there is a downgrade tool but I can't seem to find it anywhere, does anyone have it available and would be so kind as to send it my way?

Thanks in advance!

3 REPLIES 3

Jiaszzz_ASUS
Moderator
Moderator

Hello @spicytunafish 

Thank you for reaching out to us.
As we have observed, you have joined the "ThunderboltEX 4 NVM31 Downgrade Files" thread and updated the relevant comments.
I have DM you, and please check your inbox in the top right corner at your convenience.
Additionally, we recommend avoiding posting the same comment or thread multiple times to prevent any information discrepancies or misunderstandings.

Thank you.

Hello @Jiaszzz_ASUS could you please DM me with the Thunderbolt4 NVM31 Downgrade Files?
I had successfully used it before on ma ROG MAXIMUS Z790 Hero, but after reinstalling Windows and drivers my storage tower does not work anymore. Also where can we check the NVM version?
Thank you in advance

OK, forget it. It was making no sense that reinstalling Windows would affect the firmware I had already downgraded bust despite efforts I still couldn't get my thunderbolt 2 device to connect. But today everything works again for no apparent reason and from the Thunderbolt control center I can now see that the firmware is still NVM 31. So I'm all good.