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> Also I have "security.webauth.u2f" enabled in Firefox but Facebook is the only U2F service I use that doesn't work in Firefox so it falls back to the SMS / OT
by btrettel 8y ago
> Also I have "security.webauth.u2f" enabled in Firefox but Facebook is the only U2F service I use that doesn't work in Firefox so it falls back to the SMS / OTP methods on login.
I noticed this as well. I was able to add my security key via Firefox, but for some reason Facebook decided that you need Chrome to use U2F when logging in.