Angry Customer

I bought a phone in February, and it had a sound problem and I took it back were I bought it they booked it in for a repair, mind you this is a new phone? As a human being I understood. A month later They phoned that it was back from repair that was on the 20 March, fetched it on the 21March I'm Happy got home trying to play music still doing the same thing not working, sent it back to the store on the 23 March even today its not back, no one is calling me for feedback I'm the one who goes back to the store to ask they give me attitude I mean I'm paying money for a fone I've never used after that the give u attitude like its my fault telling, they refuse to give me a New phone or credit me back my money, when oi was into the store I spoke to the regional and she assured me it will be sorted in a week but its four Months already and nothing is sorted, this morning I phoned Head Office trying to get this sorted but even the head office were not able to assist I spoke to MavIs she gave me this number *** she said I must ask for Iizel Towel but when I called I got Zanele who gave me another number and she said I must call in 15min time, when I Phoned back no one answered.