help 
Set up, use, and manage Yahoo Account Key to sign in without a password
Enable Account Key to access your account more securely using your smartphone. Find out how to turn it on, use it, and turn it off.
Fix issues with Yahoo Account Key
Account Key boosts security by sending a prompt to your mobile phone instead of using a password. Explore this guide to fix any issues that may come up.
Fix issues with Yahoo verification codes and links
Yahoo protects your account by using a secure and personalized verification code or URL. Learn what to do if you don't receive it or it doesn't work.
Why are devices listed when I use Account Key to sign in?
During a security review, you'll see a list of associated push-enabled mobile devices. Learn more about why they're listed and how to disconnect them.
