Use another signed-in device

  1. On that device, open Account → Account security.
  2. Choose Add a phone or device and confirm with its passkey.
  3. Scan the short-lived QR code with this phone.

Cannot use another signed-in device?

A one-time recovery code opens only enough access to add a passkey. It is not a normal sign-in method.

Use a recovery code

Return to passkey sign-in