Select & Stream: how to redeem the advantage

Hi,

I recently activated my new O2 Sim with the tarif O2 Free M Boost Online and the option Select & Stream.

As I already have Netflix I want to redeem the credit as advertized.

I didn’t find any instruction. Can tou please help?

“Bereits Netflix-Kunde? Lass dir den Wert der Aktion auf dein bestehendes Netflix-Abo gutschreiben.”