Dstv Customer Service

Good Day My name Is Alexander Mankayi my services with Dstv has been Disconnected due to the fact that i queried my account as i ordered the Explore and it was installed my account jumped from me going to pay R 550 to R 1025 so when i ask questions no one is giving me the reasons why my account has jumped to that amount all they tell me i owe and old explore at which i started paying from 2016 and the contract ended November 2018 ..Please can hello Peter assist me with this issue as its giving me sleepless nights