Incorrect device

on the 4th of September 2015, i had my car tracker installed, the same day i noticed that it was an incorrect device, from Friday the 4th September till today I've been trying to get the matter solved and all the time i call in i get different people saying they will call which they don't, i once spoke to Ruth who said the matter will be solved and they are even debiting from my account. in October i got a call from the manager but still my problem is not solved and very month i am getting billed and they send me sms, i am really getting ****ed off now the managers numbers is ***<br>