Just now I (in the US) added TOTP (Google Authenticator) 2FA, and removed my old SMS 2FA. It does seem a bit laggy but I was able to do it and log in.
[1] https://www.reddit.com/r/YouShouldKnow/comments/a59knq/ysk_p...
[2] https://benbrian.net/authenticator-app-support-in-paypal-fin...