Two Factor Authentication Doesn’t Appear
How to activate Two Factor Authentication? I think it was automatically appear in every iPhone. But there’s nothing on mine.
iPhone X, iOS 13
While most iCloud users can now turn on two-factor authentication, certain account types may still be ineligible at Apple’s discretion.
Some Apple IDs created in iOS 10.3 or macOS 10.12.4 and later are protected with two-factor authentication by default. In this case, you see that two-factor authentication is already turned on.