Mtn overport branch Durban

I signed an agreement upgrade on 2 of my phones in December 2025. All went well got our phones and was promised 2 tablets which comes with the phone will be delivered to my home address which is on the system. To date I have not received the tablets. I have made several calls which says they working on it. I am with mtn since their inception . Will not be renewing my contract in 2027