Good to see that you are migration to Universal Links in your application!
The scheme should not be an issue regarding your configuration, I believe the issue might be caused by the fact that the production application is using the Release KeyStore whereas the development build should be using a Debug KeyStore which you have not configured within the application’s settings in the Dashboard.
You will need to retrieve your Debug SHA-256 Fingerprint then you will need to navigate to the dashboard, Application → Application → Your Native App → Advanced Settings → Device Settings → App Package name and Key Hashes.
Here you will need to add the debug fingerprint inside the Key Hashes field, you can have both the production and debug key hashes here by using a comma separated list. Once you have saved the settings, Auth0 will update the hosted assetlinks.json file at https://{your_domain}/.well-known/assetlinks.json to include both your production and debug signatures.
Let me know if the solution above helps you solve the issue!
Kind Regards,
Nik