No delivery or communication after warranty assessment

I got a a new iPhone 7 in February this year. In June the phone died and was beyond repair, therefore, MTN authorized the warranty assessment and after 6 weeks I had to phone to be told it was approved - there was NO communication to me on the status of the warranty.

Two months after that and after endless attempts to track the delivery of the replacement phone, i STILL have no phone and nobody can tell me where the delivery is or where the holdup is.

This is absolutely pathetic and the worst service I have ever experienced! i am now 9 months into a contract for a phone I have only used for 4 months. I am getting charged a full monthly premium for a phone I don't even have and the best the MTN branch (northgate) can do is say "I have escalated to my manager" which means nothing!!

I am now considering legal action and the CPA...