How to Configure Security Keys for Apple ID on iPhone

Difficulty
Intermediate
Tested on
iOS 18.4 - iPhone 15 Pro
You will need
Two FIDO Certified security keys, Lightning or USB-C adapter if required, Updated iPhone running iOS 16.3 or later

Step by step

  1. 1 min

    Navigate to Apple ID Security settings

    Open the Settings app on your iPhone. Tap your Apple ID name at the top of the menu, then select Sign-In & Security.

  2. 30 sec

    Access Security Keys menu

    Scroll down and tap Security Keys. If you have not configured this feature before, tap Add Security Keys to begin the setup process.

    Note: Ensure you have your physical security keys ready before proceeding.
  3. 1 min

    Add the first security key

    Follow the on-screen prompts to register your primary hardware key. Connect the key to your iPhone via the charging port or NFC as indicated by your specific key model.

  4. 1 min

    Add the second security key

    Apple requires a backup key for redundancy. Repeat the registration process for your second physical security key to ensure you are never locked out of your account.

    Note: Keep your backup key in a safe, separate location.
  5. 30 sec

    Review and confirm settings

    Review the list of registered keys shown under Security Keys. Ensure all trusted devices currently signed into your Apple ID are active, as you will be signed out of any inactive devices.

  6. 30 sec

    Confirm sign-out across devices

    Select Sign Out of All Devices to complete the security implementation. Your account is now protected by physical hardware keys, requiring them for all future sign-ins.

    Note: You will need to manually sign back into your secondary devices using your password and one of your physical keys.