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Set Up Your Cryptnox Key on iPhone | Cryptnox

How to set a Cryptnox FIDO2 Card on
iPhone/Apple ID account

Step by step tutorial

Security Key Support Across Operating Systems and Web Browsers:

The availability of security key support may vary based on the operating system and web browser in use.


  • MacOS: Security Key support is available in browsers such as Safari and Firefox.
  • Windows: Most modern web browsers provide security key support.
  • Mobile devices: It is recommended to use the mobile web version of the service, as many applications redirect users to a mobile browser to complete the
    security key setup process.

Step by step tutorial

Step 20 password and security area for passkey on iPhone setup
Step 24 NFC scan prompt for passkey on iPhone security key setup

Step 1

Open setting, tap on your name and tap on “Sign-in & Security”.

Step 25 confirmation screen for passkey on iPhone security key setup

Step 2

Tap on Two-Factor Authentication and tap Security Keys.

Step 26 final security keys screen for passkey on iPhone Apple ID setup

Step 3

Tap “Add Security Keys” and tap “Continue”.

Step 21 security keys selection for passkey on iPhone Apple ID setup

Step 4

Enter your phone passcode.

Step 22 continue screen for passkey on iPhone security key setup

Step 5

Tap the 1st FIDO2 card from back of the phone, give a name for the card and tap “Next”.

Step 23 add first security key card for passkey on iPhone setup

Step 6

Tap the 2nd FIDO2 card from back of the phone, give a name for the card and tap “Next”

Step 19 starting screen for passkey on iPhone Apple ID security setup

Step 7

You have successfully set up FIDO2 Card with an Apple ID.