Synching Authenticator to your Google Account acts as a secondary backup, which sidesteps the need to reset everything.
Synchronization support between Google Accounts and the Authenticator app is rolling out today for Android and iOS.
Google Authenticator App Now Syncs 2FA Codes to the Cloud
The Google Authenticator was updated today to allow it to sync your authentication codes to the cloud where you can access them from other devices if you phone is lost or stolen.
