is it possible use GoogleSignIn without firebase?

because my apps package name and SHA-1 already register to Oauth 2.0 in google credential.
is it possible use GoogleSignIn without firebase (googleServicesFile)?
just using clientID without firebase.

i add googleSignIn in app.json but not works:

"config": {
        "googleSignIn": {
          "apiKey": "MY KEY",
          "certificateHash": "MY CERTIFICATE"
        }
      },

same error
GoogleSingIn.null: DEVELOPER_ERROR

1 Like

I am facing the same error.

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