Vodacom ****s clients

I would rate them Zero. What a horrible network provider to take a cellphone contract with, I called to cancel my contract in Feb cos it was ending 6 March and to my surprised it was not cancel in fact they forcing me to upgrade. I had to request a manager in order to cancel, paid my account 31st March to my surprised I'm being harassed and called every day that I owe, I sent them proof of payment for March but they ignore and still harass me that the account is handed over. They are terrible and **** their clients which is shocking. They need clear my name Asap.