mtn *****ing your airtime when you asleep or take your airtime and give you wow

<p>I'm so fed up with mtn.they either take ur airtime when you asleep or they take ur airtime and give you wow airtime.i dont need your wow airtime.i called mtn and told them what's happening.the one advisor said they will replace the airtime.the other advisor just said its my phone.ask him about my windows phone and he said I dont onow your phone.this is pathetic.is mtn now *****ing from us.really bad</p>