To get started, go to the Security page in settings. Click 2-Step Verification and then the Get Started button to sign in to your Google account and turn on two-step verification. By default, verification codes are texted to your phone, but you can choose to receive prompts via the Google app instead.
How do I change my 2FA account to Google?
Set up Google AuthenticatorOn your device, go to your Google Account.At the top, in the navigation panel, tap Security.Under Signing in to Google, tap 2-Step Verification. In the Add more second steps to verify its you section, under Authenticator app, tap Set up.Follow the on-screen steps.
How do I remove two-factor authentication from iCloud?
Go to Settings. Tap your Apple ID ➙ Password & Security. Tap Turn Off Two Factor Authentication. Tap Continue.