Tired of Bad Service Regarding Cancellation

Dispute ref no. ***8.<br> <br> Package: Unlimited Lite with a Samsung S6 Edge handset.<br> <br> I have lodged a previous complaint citing that I HAVE to cancel my landline due to no infrastructure supporting it. I was charged with a ridiculous amount - which is unacceptable because I have given them written notice in advance that I wish to cancel my service. I am only willing to pay the amount I know I owe, and not a cent more.<br> I have all my dipute reference numbers. Also, my bill went from 4000 to 23 000?? PLEASE contact me so that we can settle this matter once and for all. I was not told of any additional charges to keep my handset either.<br> <br> I am beyond frustrated.