Firebase: Cannot upload production APNs certificate

Question

I am currently testing an app in TestFlight and need a production APNs certificate in order to test Notifications in Firebase.

I have followed all of the steps in th

Answer 1

There might be an inssue of semantics in some cases, so pay attention to meaning.
When you have to upload the certificates in firebase console there are 2 boxes with placeholder text which read:
1. No development APNs certificate
2. No production APNs certificate

In my case, I had understood that I must not upload a development APNs certificate in box 1. Actually, firebase meant that no development Apns certificate has been uploaded yet and that I could upload my certificate.