Dishonest agents working at Vodacom

Its been 3 months and I still cannot do an upgrade. Everytime I phone Vodacom, I get a different answer from a different agent. One told me I cant upgrade my Apple to an Apple but I can upgrade to something else. Another one told me they must put the finance back and I can do an upgrade in 15 minutes that was over 2 months ago. Another told me yes I am due for an upgrade but I am not allowed to upgrade. Wonder what the next excuse the next agent would tell me. One agent told me I have the highest credit profile so I can upgrade today, but now the system is telling me I can't upgrade. Wonder if Vodacom will EVER pull themselves together or are they going to just be like Eskom take your money and don't care about anything else.