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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 1

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

Step 2

Tap on Two-Factor Authentication and tap Security Keys.

Step 3

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

Step 4

Enter your phone passcode.

Step 5

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

Step 6

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

Step 7

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