How to use your phone as a two-factor authentication security key

You may use your iPhone or Android smartphone as a physical security key to authenticate your Google login and make it more difficult to access by anybody other than yourself (which is always a good idea). While you may use a third-party two-factor authentication service like as Authy or even Google’s own Authenticator to secure your account, these need you to input both your password and a code produced by the application. Google’s built-in security enables you to log into your account by just tapping “Yes” or the volume button on your phone once a pop-up shows on your screen. Your phone may also serve as a backup security key in some situations.

How to use your phone as a two-factor


This requires that your computer be running a current version of Windows 10, iOS, macOS, or Chrome OS in order to be configured properly. Before you begin, make sure that your phone is running Android 7 or later and that Bluetooth is enabled on your device before proceeding.

Adding a Google account to your phone is quite simple, and if you’re one of the few who owns an Android phone that doesn’t already have one, you can do so by going to Settings > Passwords & accounts, scrolling down to and selecting Add account > Google, and then confirming the addition. After you’ve finished, launch the Google Chrome web browser on your machine. Go to myaccount and sign in. go


You may also use your phone as a backup security key to confirm that it is indeed you who is logging into your account, rather than someone else. To put it another way, it will be essential to have the proper phone with a Bluetooth connection in order to get access to the account.

To set up two-step verification if you haven’t already, return to your account security page, click on 2-Step Verification, and then follow the on-screen instructions. You’ll need to log in, provide a phone number, and choose which secondary means of verification you’d want to use. That’s the short version. Select Add security key from the list of alternative ways after scrolling down the page. Select the Add security key option once again.

Your phone (or one of your phones, if you have more than one) will be recognised, and you will be offered the option of attaching a physical USB or NFC key. Choose a phone from the list.
You’ll see a notification informing you that Bluetooth must be enabled and that you can only sign in using a compatible browser (Google Chrome or Microsoft Edge).
That’s all there is to it! You’ve successfully configured your phone to act as a security key, and you may now log into Gmail, Google Cloud, and other Google services while using your phone as either the main or secondary way of authentication, as needed.

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