Each service for which you use the app to authenticate your identity must be manually switched to Authenticator on the new device by going to the service’s two-factor authentication page.Use the new device to scan the barcode, then enter the code on the screen, and click Verify.Install and open the Google Authenticator app, then tap Begin setup and Scan barcode. A pop-up window will ask you to select which type of mobile operating system you are using, Android or iOS.Scroll down to the Authenticator App section, and click Change Phone.On your computer, log in to the Google two-step authentication page.Here’s how the migration process works for the most popular two-factor authentication apps.
There are a few steps you need to take first. Google (download for Android or iOS) and Microsoft (download for Android and iOS) each make one, as does password manager LastPass, which offers a one-tap authentication option and Authy.īecause these apps tie themselves to a specific device, you can’t simply move the app to a new phone or tablet and expect it to work. One of the more apparent benefits of these apps is that they work even when your phone is in the non-transmitting Airplane Mode or otherwise offline. While many services (such as Facebook, Twitter, and Yahoo) offer their own in-app one-time code generator, some people prefer the convenience of using one code-generating app that supports multiple services. Once installed, you associate the app with the account, and the app generates a one-time code that expires within minutes. Several apps do this for multiple services, and they all function in similar fashion. Somewhere between the two methods stands a middle ground: Use an app on your mobile device to generate that one-time code. The most secure method today trusts a USB key that generates new codes when you lightly press your finger against it. The most basic (and least secure) of this method of securing accounts involves sending the one-time code over text message or email. It’s like using a debit card with a PIN, but the PIN, which changes each time, can be used with a wide range of services from companies including Google, Apple, Facebook,, Microsoft, PayPal, Slack, Twitter, Dropbox, Nintendo, and Twitch. Two-factor authentication, also known as 2FA, works in several ways, all of which result in delivering to the user a one-time, second password or passcode for accessing accounts. What the design itself does make clear is that when security-minded consumers upgrade their devices, they will have to take a few extra steps to migrate their two-factor authentication apps.
Why the tech giant prematurely exposed its plans isn’t entirely clear. Last week, at least three months ahead of expectations, Google leaked the design for its upcoming Pixel 4 phone.
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