UPGRADE NO DEVICE I WANT TO CANCEL!!!!!!!!!!!!

MY account is A ********** I have emailed ********** who is Rapid Response Unit Specialist and she managed to get Kim the Supervisor from Direct Sales to call me regarding the incompetence of Noelene who failed to tell me you have issues and don’t deliver upgrades I sent her countless emails and called her she ignores me Cell: +27 83 ********** ********** I am tired of DM my number and nothing happens. I want to CANCEL the MTN contract I have account number A ********** I DON’T want anything to do with MTN PLEASE CANCELL THIS ASAP I upgraded on the 1st September 2017 to date no device or 30gig data or unlimited MTN to MTN calls sis all you do is false advertising and you are too quick to send a bill with new contract details YET you HAVE NOT delivered a DEVICE a BOZZA NETWORK for ******** people and *****ing minutes charging for a service your are not rendering and your sooth talking supervisors who I have been waiting for email confirmation of cancellation to date nothing has come of it I want to leave I am contacting the ombudsman. I want a letter that this bull**** contract is cancelled