How to transfer your Google Authenticator 2FA to a new phone
The Verge
SEPTEMBER 2, 2020
There is, of course, a catch. Because 2FA uses security keys that are specific to each piece of hardware, you can’t simply reinstall Google Authenticator on your new phone and use it to log in. Alternative method #2: Take a screenshot of the barcode. You need to transfer the key code for that phone as well as the app itself.
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