Vodacom contract deals and upgrades.its a all ****************

Vodacom contract deals and upgrades.its a all ****************.I have had a contract for ,more than @ years with insurance.i am paying cash cos i am unemployed.the contreac had 2G + 200 airtime.I have been paying good and i was told i was due for an upgrade in Jan 2021.I was only told in April and in that April I didnt receive airtime and data.but i paid. I called the customer care and i was told the deal airtime deal was off and the contract will end in May 2021.in may I received airtime + data and statement. I called again and I was told the invoice was only for airtime and insurance and I told them I cant pay for airtime its better a phone. I did an upgrade online and i was called by Adura from sales department. I explain my budget and the phone was delivered within 24 hours.I did explain that i my budget is 300 for 24 months.now Daily i speak to customer care from 1 person to the other.no clarity and i m not happy *****gwa now say my contract is 36 months i did sign up for that as one told m b$ that all vodacom contracts are 24 months,it seems no body has ever got training about services and products.I m so ****ed i told them to cancel the contract and come and take the phone.they refuse please assist I cant afford and the service is ****************