appletwofactorauthentication

,2024年4月16日—Two-factorauthenticationisanextralayerofsecurityforyourAppleIDdesignedtoensurethatyou'retheonlypersonwhocanaccessyour ...,GotoSettings>[yourname]>Password&Security.TapTurnOnTwo-FactorAuthentication.TapContinue.Ifyou'reusingiOS10.2orearlier:GotoSettings> ...

參考資訊如下
Use two

Two

2024年4月16日 — Two-factor authentication is an extra layer of security for your Apple ID designed to ensure that you're the only person who can access your ...

How to turn on 2

Go to Settings > [your name] > Password & Security. Tap Turn On Two-Factor Authentication. Tap Continue. If you're using iOS 10.2 or earlier: Go to Settings > ...