nguyesan1 year ago000Hello all, Has anyone been able to successfully register for the promo for the headphones?Show in original language (German)Goku891 year ago+110No. I get the message that my purchase date does not entitle me to do this... Which is complete nonsense. I bought it on 19.09. Show in original language (German)CommentAnonymous1 year ago000I had no problems providing IMEI and invoice Show in original language (Italian)Comment