If you subscribed to BritBox through your Ruutu+, Telia, TV2, or TV4 account, you won't be able to use that subscription to sign in at BritBox.com or on the BritBox mobile, tablet, or TV apps.
You'll only be able to watch BritBox on the platform where you signed up.
For example:
Since you subscribed to BritBox through Ruutu+ account, you won't be able to log in at BritBox.com using your Ruutu+ account. Instead, you’ll need to watch BritBox through the Ruutu+ app.