The most horrible service i hope to cancel my contracts of 3000 p.m and move to mtn

From the 8 of May they could not post my payment to my account even sent me like a fool to my bank to reverse payment my bank even sent them instructions . They even put hang up rude people is it because i am white ? The Directors need to get this sorted out. All documents was provided 3 times so dissappointed in vodacom