Bad servise

My name is Thandi baloyi I had a contract phone with cell c for like 6 months and on the 7 th month I divided to Settle the account and I went to the branch to ask for the settlement amount the said is R3563 and some cents and I must include the monthly installment which is R299 and it add up to R4053 And cents .I phoned customer care to confirm the amount and they confirmed is correct.I went and do a cash deposit on the 13 July and the credit reflected on their side on the 14 July and on the 16 the account was confirmed closed. They did not debit my account on that month every thing was fine until they debited my account in August 21 with R3753 and cents for what nobody knows.I phoned yesterday spoken to londiwe khumalo she was helpful and give me all the time to explain my story said she can see that the contract was cancelled and closed she doesn't know why they debited me with that money.I told he that the money they took it was for my debit orders and now the debit orders bounce back to the account because of insufficient funds .now. I owe the bank unpaid fees and interest on overdraft ,all the money that I owe the bank is R239.59 I need.londiwe logged a query for me the reference is ********** 687 and ********** 125 the say I must wait 7 working days to be resolved.I can wait for that long I have to pay school fees and rent and buy food and transport on that money.I dont want to go to the bank to reverse the money because I want cell c to refund my money and the money I owe to the bank because I can't be paying something that I don't what is for.today when I call customer care to do follow up I was said pillar to post they didn't even care and no one was willing to help I need my money today or I am taking this up to ombudsmen my number is ********** 482