SHOCKING TREATMENT - PART 2!

I lodged a complaint on Hello Peter on 15 Jan re: not being able to upgrade to the phone and package I wanted due to an accounts error on Vodacom's part and despite being a loyal customer of Vodacom for 15 years. On 16 January I received a response stating that my requests for an I-Phone 6S 64GB on the Smart XL package could be organised and that a quote would be sent to me. I did not receive any further communication until I sent an e-mail asking for feedback and received a response on 18 January that I would be contacted by telephone on 19 January. To date I have not received any further communication I tried to do the upgrade again today and was told that I could only upgrade to an Iphone 6S 16GB on the red advantage package and I must pay in R1400.00. I am a bit confused as the package I want will cost less than the one offered? It is upsetting that promises are made by Vodacom but are not kept - which makes one question their ethics.