CELL C PHONE REPAIRED MANY TIMES STILL NOT HAPPY

Am a cell c customer for over 20 years first time am having endless problem with my Nokia Lumia 820<br> which regret taking the phone was repaired many times then i was told to take it to Alpha Cellular for software upgrade & now i cant use my phone beside making or receiving calls and my phone is showing Vodacom when am a Cell C customer i wish someone can help me or respond to me about my phone .But i must give credit to the Microsoft guy at Gateway C Cell store he was very helpful <br> <br> Many Thanks<br> Pinky