MTN CONTINUED PATHETIC SERVICE

Last month I renewed my contract with MTN and discovered that the Galaxy s6 Edge Plus was not receiving calls at all in the Benoni area. I returned the handset and got a replacement unit. The exact same thing happened with every call. I also realised that my allocated DATE was not provisioned fro the account. I contacted MTN countless times without a single response from any department. The handset was returned to MTN and the account cancelled as I had no service on that contract for the month. Regardless of the fact that I still had 4 other contracts with MTN the coverage department came and removed the MTN booster from my property. Now none of the phones have strong enough signal. TO TOP IT ALL OFF!!!!!.... I received and account on the 8th September 2015 | Tel No: *** | Invoice Number: E*** for the amount of R608.00. ARE YOU KIDDING ME??? I didn't have the service or the use of the handset but I must pay. Please refund me ASAP! I have now cancelled that contract and two others and in the process of paying up all other contracts ASAP. I WANT NOTHING TO DO WITH YOUR COMPANY! Utterly disgusted at you service! Have moved to VODACOM!