This thread was archived. Please ask a new question if you need help.
iCloud can't login - This browser doesn’t support security keys
I've had nothing but problems with iCloud - usually it's text being unable to be displayed in Notes on iCloud.
Currently I can't login with my Yubikey:
This browser doesn’t support security keys Try another browser to sign in with your security key.
All Replies (2)
It works for me. see screenshots
Did you try Firefox in Safe Mode? https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode#search104
Did you clear your browser cache? https://support.mozilla.org/en-US/kb/clear-cookies-and-site-data-firefox