Cell C what bad service

<p>I took out a contract with cell C with a tablet and a phone Everything was fine now they changed everything and started charging seperate offer numerous times of trying to sort it out they carried on an have now blacklisted me my contract is due an upgrade I want to go to the consumer protection if this is not sorted out seeing it was not my fault have tried to get hold of their legal department and held on for 2 hours without a response I want to change as they are not helpful and arrogant please advise.</p>