if this is free from promotions/offer
please go to the terms and conditions link
please look for the email and contact number of the Promotions Team
please follow up with them
they know more the exact status of your Buds+
And just to make it slightly easier, here are the details:
You can contact the Promoter’s customer service team by email at firstname.lastname@example.org or by phone 03452160058 (UK) and 016533900 (Ireland).
Hope this helps!