If you've pre-ordered the s21, s21+ or the s21 ultra you'll certainly be able to claim the samsung ear buds and, or smart tag. To do this follow the link below, your claim must be submitted after the 28th January 2021 and before the 28th February 2021. Enjoy!
I have got my galaxy s21 ultra through upgrading contract but never received confirmation email should I contact three directly to ask them my order number so I can claim earbuds