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How do I change which device is used for 2FA?

I'm getting rid of an older computer and using the same ID (needed to use the same ID because it's a work ID). When I run an update I get 2FAed on the old device that I'm about to ship off as soon as I figure this out. How do I get 2fa prompting to start happening on my new device?

MacBook Air 13″, macOS 10.12

Posted on Jul 6, 2021 11:57 AM

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Question marked as Top-ranking reply

Posted on Jul 6, 2021 12:21 PM

Once you sign into System Preferences/iCloud (Apple ID for Catalina or later) that should make the new computer a trusted device. It should then display the code. From the article below.


A trusted device is an iPhone, iPad, or iPod touch with iOS 9 or later, or Mac with OS X El Capitan or later that you've already signed in to using two-factor authentication. It’s a device we know is yours and that can be used to verify your identity by displaying a verification code from Apple when you sign in on a different device or browser. 


Apple ID -Two-factor authentication         

2 replies
Question marked as Top-ranking reply

Jul 6, 2021 12:21 PM in response to jordie224

Once you sign into System Preferences/iCloud (Apple ID for Catalina or later) that should make the new computer a trusted device. It should then display the code. From the article below.


A trusted device is an iPhone, iPad, or iPod touch with iOS 9 or later, or Mac with OS X El Capitan or later that you've already signed in to using two-factor authentication. It’s a device we know is yours and that can be used to verify your identity by displaying a verification code from Apple when you sign in on a different device or browser. 


Apple ID -Two-factor authentication         

How do I change which device is used for 2FA?

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