Telkom owes me R1350

Telkom sent me a bill of R1351.37 Charging me for October adsl wifi I Cancelled my service the 1 October They cut my service 4th October ...i dont own them a sent They still have a R700 deposit which can go for Septembers invoice im not paying for internet they removed after telephonically saying they will cut the service 30 October Dont use this company They dont care about their customers Im currently using a lte from Telkom which cost me R350 4 40 gig and a rooter thats was almost a 1000 I will send them a bill For my inconvenience so actually Telkom owes me R1350