Bad service

few months ago, 4 to be exact, I visited telkom branch in Green stone mall to enquire about an Lte router, the question I asked the sales person (Lesego)was if Telkom had coverage in my area ? Which I specified and the answer was yes Telkom has good coverage in your area. After that answer I asked for a contract and signed. Upon installation which happened when I got home later that day I discovered that I had been **** to and that there was very poor network coverage in Greenstone Hill. I then went back to the branch to report that there was no network in my area. A technician was then sent after a long time by Telkom, which comfrimed that there is no network coverage . He sent the signal test results to the coverage department . At the time I had already paid for two months for a product that is of no use to me. Telkom has not remedied the situation but continue to debit my account at the end of the month. This month my account was debited double the amount that should be debited. I wonder how many other people Telkom is robbing!!?? I have complained several times at the branch and on their call centre but nothing gets done!!