

On your new phone, install the Google Authenticator app.The latest version of the Google Authenticator app installed on your old phone.Your old device with Google Authenticator codes.To manually transfer Authenticator codes to a new phone, you need: You can also manually transfer your codes to another device, even if you’re not signed in to a Google Account: If you’re signed in to their Google Account within Google Authenticator, your codes will automatically be backed up and restored on any new device you use. Under "You can add more sign-in options," tap Authenticator.On some devices, Security is located in the side menu.If at first you don’t get the Security tab, swipe through all tabs until you find it.On your iPhone or iPad, go to your Google Account.
