No service

In December 2017 I have contacted the upgrade call centre for a upgarde, I was told some one will phone me back, surprise no one did. On the 8 January 2018, I made a call again ask to speak to a manager, no one was available but there was a person standing in for the manager and a spoke to her advising her of my problem and no one bothered to phone me back, she promised me she will look in to the problem and personally phone me the next day, suprise no one did. I phone on the 11 Jan back ask to speak to the manager, managers is not available, ask some one's no above them, was told there is no one. So I am forced to make use of this side again to get any response from Vodacom. I am a client for over 14 years never ask for anything special, this time I asked for a special deal as one of the opponents branches have offer me a special deal if I take all my contracts to them. First call was to vodacom asking them for a special deal and I will stay, I have seven contracts with Vodacom, and still no one cares to phone me back saying yes or no. Vodacom has just showed me again they do not care about there clients, last year I had to go throuht the same thing getting my upgrade and had to go through this side to get them to assist me as they promise there service will be. i have two contracts due for upgarde and are strongly thinking of changing my service provider. I really hope to get feedback from Vodacom if they care about their existing clients.