Unhappy customer

I took a contract in November 2023 that was Sumsung galaxy A54 with Table A7 Lite on a subscription of R498. Top up .The reason I took this package it was because that what I can afford to pay .Then January noticed my subscription went high I called vodacom about this they told me it was automatical added buy the system. Then the canceled them. February again it was added still paying what I did not agree on.March ,April ,May .Then what upset me the most the agent who assisted me with my application did the way I wanted my contract to be how ever Vodacom after keep edding what so called was.In May agent from Comit Technologies by the surname of Naidoo made migration from 650 mb and 50 minutes to 2.6GB and 100 minutes My bill went to R721.99 and again on the Tablet number Vodacom added was that made me to pay R153.99 .of which I never wanted it.Now I am struggling with this subscription I need Vodacom to pay my money back and remove what was added because I never want it but just for my credit I have to suffer and pay the .I need my contract to go back to my initial subscription that was R498.99 nothing else.table was included on this amount .it was a black Friday special. I waited for black Friday because I knew what I wanted.