MTN are *******, take money and dont deliver!!!

I have never ever experienced more frustation in all my life then trying to get MTM to sort theit mistakers out Worst is that it is costing us money!!!! Been paying for 3 months and no data. They say they sorting it out but nothing!! So that is R1500 i have paid for nothing DISGUSTING MTN Secondly my son signs up and pays and NOTHING!!!!! This company are *******!!!