I followed below steps to upgrade the firebase unity SDK to version 5.4.3:
Read moreHow do I use Firebase in Unity?
Make sure that you’re using the latest version of the Firebase Unity SDK.
Read moreHow do you add a leaderboard in Unity?
Here is complete tutorial for how to setup Leaderboard in Unity for Android using Google Play Services plugin.
Read moreHow do I use Firebase authentication in Unity?
Before you can use Firebase Authentication, you need to:
Read moreHow do I authenticate to Firebase?
To sign a user into your app, you first get authentication credentials from the user. These credentials can be the user’s email address and password, or an OAuth token from a federated identity provider. Then, you pass these credentials to the Firebase Authentication SDK.
Read moreCan you use Firebase with C#?
You can use existing C# REST libraries like FireSharp or FirebaseSharp or Firebase Database REST API because official libraries do not exist yet.
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