How To Set Up Google Authenticator On A New Phone

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Being able to sync codes across devices helps when you need to migrate everything over.

A two-factor authentication (2FA) app like Google's Authenticator can be a huge step toward safer online security, adding an extra layer of account protection. However, it can also be a massive bugbear when it comes to changing devices — especially if your authenticator app is stuck on a damaged or lost phone. Luckily, you can transition to a new machine smoothly.

Google Authenticator offers a form of 2FA to users, generating one-time codes in the app that are required to access linked accounts. While these codes have historically been tied to one device and app, Google Authenticator has been syncing one-time codes in the cloud since 2023. This means that, with a little preparation and know-how, switching to a new device with this security app can be a relatively simple process.

How to set up...

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