Can NOT login Facebook use security key

[William]

Hi All

Today, I use my security key to login Facebook.

But I can't login after press button on my security key.

I use both U2F (Feitian) and FIDO2 security key but it's same issue.

Can anyone help me?

[Arshad Noor]

Try your Security Keys on multiple sites[1] and confirm they are
working. If so, send a message to the non-working site to ask for an
explanation - it is possible, they chose to support only specific brands
of Security Keys.

Arshad Noor

[1] https://demo.strongkey.com/fidopolicy, https://digitalbank-test.com,
Gmail, Twitter, Namecheap, GoDaddy, ....

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[William]

Hi Arshad Noor

Thanks you for your help.

[William]

Hi All

Today, I can login Facebook.

although I don't have any update (browser, windows os ...)