Samsung/ Promotions promotion Scam internet Internet

I bought SAmsung S7 edge because it came with a promotion of 256gb sd card back in September. I was leaning toward an Iphone but because of the promotion swayed me to go with samsung. I was informed that i needed to go to the samsung promotion website to submit information inorder to get the promotion. I did just that. Months pass by don't recieve anything, so I call. Only to find out that it was denied due to the reciept not specifying the edge was purchased. I am instructed to go to the store and get a reciept that says I purchased the phone. I did that. I called them because I have the new reciept and now they tell me that they cant find my submission. I gave every email address I have and they find nothiing. But couple of weeks ago, they told me why the promo was denied. and now nothing in their system. So I talk to supervisior after supervisor and they have no way for me to resubmitt the reciept. So I'm stuck without a promotion and a phone that I wouldn't have purchased with out it. I used to brag on Samsung considering I have lots of their products washer, dryer etc. If this issue doesn't  get resolved I will never purchase anything from samsung and niether will my family.