Bad customer service

We contacted MTN after a business cellphn was ****** on the 16th and the only thing that we wanted was tol have the phone blACKLISTED so that we can open a case at the police station concenred. To date which is the 23rd of March , MTN has still npot blacklisted the phone and the sim swap that was also done on the 17th is still nolt donbe. The attitude of the stafff especially an agent called \ LAMEEZ"had such attitude that she even told oi do npot need to be upsert with her as shes not the one rersponsible for the sim card not working nor si she responsible for the blacklisting of the phone. Basically after 30 minutes of her walking about and trying to do whatever "