How to upgrade new Firebase app from exist old app?

Question

There are \"create new app\" or \"import from google project\" only in new Firebase console.( https://console.firebase.google.com/ )

How to update exit old app to new on

Answer 1

Above answers look great. I'll just add one link that has a lot of the common differences between Firebase 2 and Firebase 3: https://firebase.google.com/support/guides/firebase-ios#get_a_database_reference_numbered

(I didn't see this at first and wasted a few hours yesterday trying to figure it all out.)