Scan the QR code on the old phone with the new phone's camera, and you'll be all set. If an iPhone is involved in any step of this procedure, you'll have to use a desktop or laptop computer instead.

You can also do this directly from the Google Photos app. Open the image with the QR code in the Google Photos app and tap the “Lens” button. This will scan the image in the Lens app.

Instead of getting six-digit log-in codes via SMS, which is unsafe and prone to phishing, users will see a QR code that they ...

An update to Authenticator for Android and iOS now stores backups of codes in your Google account. You won't have to reauthorize all your linked apps (or scan a QR code) just because you got a new ...

Google Authenticator lets you establish 2FA by using your phone to scan a QR code generated by the app on a separate device or by entering a key code. It’s a relatively easy process. Related ...

The easiest way to set up two-factor authentication for a website is to scan a QR code with the app. A site that supports 2FA via an authenticator app should generate the necessary code for this ...

All you have to do is scan a QR code for the service you want to turn 2FA on for, and the app will generate a new log-in code around every 30 seconds. This week, Google has given its 2FA app ...

Scan the QR code displayed on Google's website with the Authenticator app, then enter the six-digit code to verify everything is working properly. Once that's done, the codes on your old device ...

Google later added a more pleasant code-transfer system in which the copy of Authenticator on your old phone generates a QR code that you scan with Authenticator on your new device.