Hey there,
Thank you for reaching out here in the Community! We hope you don't mind us answering in English as this is the official language of the forum.
If you still are not seeing Premium but you know you've redeemed the gift card, can you try locating your other account with the steps here?
On another note, by saying that you haven't received an e-mail, you got us thinking that the e-mail might have gone to your Spam/Junk inbox. Would you mind checking those as well?
Let us know how it goes.
Hey there you, Yeah, you! 😁 Welcome - we're glad you joined the Spotify Community! While you here, let's have a fun game…