MTN upgrade **** through misrepresentation

I have been upgraded more than Three Weeks ago, through a telephone conversation from a person at MTN corporate. no phone no communication Yesterday Keketso phone from number +***8 saying he is from MTN. I explained the story to him of a possible **** involving Mobiles Puls. Promised to phone me back. Nothing 1May Read this in context of two other complaints related to MTN and Mobiles Plus