在申請其他網站的2FA時, 他會提供KEY, 把這個KEY備份到雲端, 要回復時可以手動輸入KEY到新手機的Google Authenticator,
很麻煩, 至少手機掉了後可救回
https://www.cnet.com/how-to/how-to-move-google-authenticator-to-a-new-device/
Before removing the authenticator from your original device, remember to move your other accounts that are using the app. You'll need to visit each site individually and scan the QR code with your new device.
內文搜尋

X