I just cancelled my subscription because I got 12 free months through Telia in Sweden. Now i still have premium and need to get free before i could change it to my free months. How do i do to fix it?
I suggest you contact support so they can help you https://www.spotify.com/about-us/contact/contact-spotify-support/
If you get an automated reply email telling you to check the help section or the community, you need to reply back to it, even if it's from a no-reply address.
Support usually replies within 24-48 hours.
You can also tweet to @SpotifyCares on Twitter for help.