UNACCEPTABLE POOR SERVICE

I have been a customer for an extremely long time and always have the Beame tracking device in all my vehicles. But i recently sold a vehicle and requested that the contract be transferred to the new owner, to my surprise i was told it cannot be done. So i requested via email to have it cancelled. 3 months after my email i suddenly get contacted and informed they received my cancellation request. In the meantime i still kept paying for the device. The lady informed me she is cancelling it as we speak. I then requested that a sales rep contact me as i want to have 2 devices installed. This sales lady told me on the phone that both devices on a 3 year contract come to R109.00 for both. Not each. And she repeated it. Obviously i took it as its very reasonable and it was installed on 15 Sept 2021. Well, Now i received a statement saying that the devices are R169.00 each??? And guess what, the one that was Cancelled, is still on my name and active. THEY DO NOT ANSWER CALLS OR READ EMAILS. PLEASE COME REMOVE YOUR DEVICES AND CANCEL THE CONTRACT, NO NEGOTIATIONS