Rewardsco & MTN data contract

I ordered an MTN LTE router on the 100 GIG black Friday deal. I received my router on the 14th of Decemeber. They only loaded 500mb on the router. After failed calls I went in store resolve it. They said I had to phone MTN online. MTN online then said I had to phone rewardsco. Rewardsco's phone lines were down for two days. After servers being down, lines being cut I eventually get through, for them to say it is MTN not providing the correct code to them. MTN still maintains that it is rewardsco who is at fault. So I have been stuck with no data trying to work remotely. Short of pitching up at rewardsco's office I honestly don't know where else to turn, this is completely unacceptable and even if you do get through to someone they just blame the other party. I would strongly recommend anyone wanting and internet router use a different service provider.