Service complaint

Im really disappointed with the ovarall service i received from edgards firstly after i complained about a phone i bought about 3 months ago they phone and say they starting to investigate but no one bothers phone and tell us about the results rather they phone a reference to tell them we must come fetch the phones much to my irritation i get to the durban weststreet branch and the lady called "mavis" being told we are waiting for her blatantly ingnores the gentlement and chats with her friends when i confront her she gives me such a disgusting attitude takes the slip go fetch the phone which now have a cracked screen which was no there in the place then refuses to answer any questions and says we must just read whats written on the summary and shes got nothing to say to us to say im dusgusted with the service i was given by edgars is an understatement