Samsung Poor client service and false advertising

Aparently false advertising is not taken up seriously. Took out 2 contracts on the Samsung Galaxy Z fold 3 devices. They requested a proof of purchase as or delivery note. Took out the contracts on the 22nd of September and they where out of stock on the device but I was assured I am in the promotion period. Received my devices on the 8th of October. Have been battling to get my buds for each device for 2 weeks now because according to Samsung I got the devices out of the promotional period even though they had no stock.there was also never stated while stocks last so thank you Samsung love your products but treating a client that have for the last 7 years been purchasing your top devices like this is poor client service. Really disappointed in my brand