WHY DO I RENEW WITH THIS USELESS NETWORK !!!!

i called in early in the year with regards to cancelling my contract - i was then given a ref num : ***<br> and was told i would get 3 months for free - so off i go get my phone with my ref num - the sales lady calls to make sure the ref num is correct - off i go with a new phone <br> <br> now a few months down the line - i still pay the full amount and call your call center today :<br> <br> speak to a very helpfull guy - but my batt died so i called back spke to a girl who put the phone down<br> <br> and now i am talking to Portia who refuses to let me speak to a team leader and says that the 3 months discount is only for VIP customers, i should hold while she emails someone to ask ...... and i should hold whole she waits for feedback - fast forward 15mins and i am still on hold .... i have a Job and cant sit and wait for feedback <br> <br> <br> i would like a team leader to call me and verfiy when i will get my 3 months and i would like to cancel my second number contract on mtn as this is the pits !!!!