Lost or broken phone
- Use a backup code. Most services accept one of the one-time codes you saved when you set things up.
- Try another method. If you also registered a security key, a second phone, or a text-message fallback, choose "try another way" on the sign-in screen.
- Restore your authenticator app. If your app backs up (Google, Microsoft, 2FAS and most password managers can), install it on the new phone and sign in to restore.
- Account recovery. As a last resort, each service has its own process, often with a waiting period while they verify you. Every service page on this site links to that service's recovery page when one is listed.
New phone (old one still works)
Transfer your codes with the app's built-in transfer or backup before you reset the old phone, then check a few accounts on the new phone.
Lost security key
Sign in with your spare key or another method, then remove the lost key from each account's security settings so it can't be used.
Prevent it next time
- Save backup codes for every account.
- Register two security keys, or a key plus an app.
- Pick an authenticator app with encrypted backup.