Account number K***

A Hisense phone was baught by my sister on a contract for my niece the phone was purchased on the 1st of July 2019. The gadget started having issues early this year. around January and was taken to the MTN outlet in Maponya Mall Soweto on the 6th of Feb 2020. No call from MTN Maponya until she paid them a visit and was told to come back on the 5th of March she did that and the phone was still not there she then went again on the 8th still nothing no call from them either. When she went on the 8th the phone was there but it had no bettery nor cover therefore she left. How could she take a half phone where were the other parts? She is expected to pay for something that has not been used for 3 months is that fair? Why is MTN a *****? Where are the other parts. This is an inconvenience and a disgrace. Up unti today no call, no phone, no show.