Bad service with Vodacom Horizon View dont get contract with them.

I did upgrades with Vodacom in Horizon View, the phone that they gave me is been giving me a problem,in a short space of 3 months i have change the phone twice, iv been pleading to them to change the phone because its going to give me same problem. no one wants to help me out, the manager in Vodacom repair centre in fourways apparently his name is Dumisani, if you request to speak to him his always unavailable according to the consultants, The manager at Vodacom Horizon view they cant help aswell. Im sooooo ****ed with this and today i got a call to go and collect the same make of Huawei... These people dont know what they managing. Job number ***5