Angry customer

Telkom All of a sudden that I am about to finish my contract you don't deduct your money then penalize for your negligence I wrote you an E-mail few months ago in regards to this and you said you will refund me and also my data this month you send me an sms that I am owing close to R800 and you are sending my account to collections I will write Debby show a letter again I can see the last encounter didn't shake you I won't get burned because of your foolishness