You can move Google Authenticator to a new phone so that your new device can gain an additional level of security through two-step authentication.
Unlike the traditional method of using only a single password, two-step authentication provides greater security for your accounts by requiring two steps to log into your Google apps.
Google Authenticator is an app that assists in two-step authentication for your Google account, and allows you to use your phone as a second step in confirming your identity before accessing your account.
If you’ve used Google Authenticator before and recently got a new phone, you’ll need to move the Google Authenticator app to your new phone so that it can be used for two-step authentication. Follow the steps below to do so.
How to move Google Authenticator to your new phone
1. On your new Android or iPhone , download and install the Google Authenticator app.
2. Using a PC or Mac , open Google’s webpage for two-step authentication and log in. When it becomes an option, click on “Move to a different phone.”
3. Click on either “Android” or “iPhone” based on what kind of phone you are using, then click “Continue.” The next screen should show a barcode or QR code.
4. Open the Google Authenticator app on your new phone and follow the on-screen instructions. When you are prompted, tap on “Scan a barcode,” and scan the barcode/QR code shown on your computer screen.
5. After you scan the barcode, a six-digit code should appear on the Google Authenticator app. This code changes every few minutes for security purposes. Type the code into the corresponding field on your computer and click “Verify.”
Google Authenticator should now be set up on your new phone, enabling you to use it for two-step account verification.