You can add multiple Passkey ? Passkey is a modern passwordless sign‑in (cryptographic key plus biometrics or PIN). Hover for a short note, click for full details. on your phone, tablet or computer. On each device you'll be able to sign in without a password, using your fingerprint, Face ID or another biometric method.

Give each Passkey a clear device name so you can easily see which key belongs to which device. If, for example, you sell your phone, you can delete only that device's Passkey without touching the others.