What is the Magenta Max switch $200/line promo code?

i got the same problem i was at&t user and when i changed to timobile the manager promise me 200$ for each line i brought 5 lines like 1000$ 5x 200$ master card gift card, but after the maximo time like 6 weeks and nothing i went to ask about it and the answer me its because used itin number, but he doesnt asked me what number i use to pay max tax is itin number or social, and i opened a bussines account i dont used itin number, i thought its a fake promotion and ill post many bad review and feedback about it where i can do that because its i fake promotion nobody get this gift cards