Pathetic. Preorder a phone that goes onto back order!!!

I had preordered my Samsung S9+ on 23 February and I called the online team on 2 March. Zandile phoned me back and processed the order. It was confirmed by Refiloe on 3 March and she told me that the phone would be delivered from 6 March onwards. When I called the online team on 6 March, Naseem tells me that my phone is on back order. I preordered in order to qualify for the headset, wireless charger and R500 voucher, but can only redeem this when I receive the phone. When I spoke to Samsung, they tell me that I only have until the 15th of March to qualify for the free gifts. But Vodacom is only receiving the phone on Tuesday and I will get it when?? I have been with Vodacom for years and signed on a Red contract which is supposed to get better service. This is definitely not the case here and I'm very frustrated and angry. Other people received phones on Monday the 5th already. I expect Vodacom to provide better service than this.