Hello @mascara_overdos, Welcome to the community! :)
Are you logging in with the account that you upgraded to premium (EG: if you have a Facebook account, did you log into the Facebook account and if you have a Spotify account, did you log into the Spotify account?)
I hope this helps solve your issue :)
@mascara_overdos
If you received a No-Reply email that says to check out the FAQ or Community just reply to that email and Spotify support will contact you :)
Support takes 24-48 hours to reply to you if they have not replied to you by tomorrow you can ask me here and i will escalate the issue for you :)
I hope this helped solve your issue :)