Vodacom offer terrible service no matter how loyal

They have terrible service. I have a contract with them for more than 5 years, loyally paying my account. In September someone from Vodacom phoned me to upgrade my account with a benefit of 1gb and R70 airtime with the same amount that I was paying. Come end of October I get only 1gb. I phoned for them to listen to the voice note and for them to reverse that upgrade as it was a mess and not what we had agreed upon. Till now I cannot upgrade to what I really want and stuck with the silly upgrade that I never asked for.

Please vodacom sort out this mess, i need to do upgrade today. Or just cancel my contract and we part ways. This is unreasonable!!