Mtn terrible service stay away

So a lady phone me from mtn trying to sell me a Fibre or airtime I said I'm not interested I need a device she asked me which device and colour took the address where phone must be delivered to and all said she is going to phone me next day 2 days after I phoned mtn they said I do not qualify for a cellphone the lady took a R150 airtime contract on my name I canceled immediately now they say I owe them R200 and something my service is suspended now I cannot use my number they are *****s and very arrogant rude people stay away from them