highly upset and furious

Its been a month and a week that my phone has been damaged and still no one from mtn has contacted me for arrangements to send my phone for repairs I'm disgusted in your service we have 2 contracts with you one which has insurance and I can't do anything because you are useless having insurance us useless we are paying R449 for a broken phone I want the director of mtn to phone me so I can't tell him his bad mtn service is you are nothing unless you have customers and your service is bad !!!!!!