MTN the pandemic and ****mes

Yet again i have to complain about MTN service ,took an early pgrade December which was told a have to pay R400 for an earlier upgrade which i didn't have a problem,call their customer service on the 2022/12/27 to check why they have not deducted and confirm my bill.was told that the debit date was not change and my bill is R1766.56 of which i didn't understand but decide to pay it ,bare in mind that i have to contract with them. When to the store to make payment since I've noticed that the didn't debit,after making payment called them to confirm if the received payment,Xolani that i spoke with confirmed that payment was received ,ask him about my next bill he confirmed that going forward they will debit as per what a signed up for,*** R335 and the 081 number R539 , called the customer service yesterday to confirm why they haven't debit and the bill to my surprised my bill is R1900 ,tell me MTN what exactly are you charging me for ,you not even giving me extra benefits,the contract that i sign is R539 for 081 number and i have the copy of contract ,R335 for *** .i use to collect for 1 of your agencies and i know how you treat your customers,MTN doesn't not have respect for their customer,i will not pay for any extra fees ,will take you to the ombudsman and daily news ,will continue paying for what i sign up for not for your ****.stop riping your customer off .