3D migration need upgrade please help

I called vodacom on Saturday (For upgrade) and was told the upgrade callcentre could not help me because my contract had been migrated to 3D service which the consultant could not explain the meaning of I left my number and asked for 3D depart to contact me as they are never available when I called.<br> <br> Today I called again, line was cut, called again and complained and told to visit my nearest vodacom shop.<br> <br> I supposedly have a contract with Vodacom the one group (Internet service) said I can upgrade. I visit nearest vodacom who then told me I have a contract and have to wait until 2017.<br> <br> Can Someone please assist me to forward proof of this contract and amounts that have been deducted.