Unhappy client

I have a problem with my data sim only deal with cell C.

I took the data sim only deal on the 26/02/2021 with cell C however I have a issue with need to be resolved as ASAP. there are changes which were done to my account without I'm authorization and I want to know why because now I need pay somethings I didn't ask for

please see the below

I was given 2bg which I didn't asked and which is way expensive. My account what change without my consent or authorization as the customer The statement that came out its have extremely amount which I'm not going to pay as I I agreed to 149.00 per month Who ever that made those change need to be layable for the penalty fee that cell as changed and that 2gb that they have extended to me account with out my permission. And I need to get the correct statement with the account which is 149.00 as per my agreement. Case number:‪***‬ Contreated number ‪***