Vodacom Phone on Account with insurance

Bought a Samsung J1 Mine on 03/09/2017 (CPD ********** ) (Account number ********** ********** 45095) and since then this phone has been send away and collected 4 times. The first time they had to change the broken screen and fix the speaker. I paid R200 when I collected the phone. The speaker was not fix, and the screen also not. I took it back. (2) Collected the phone, speaker not fix, and phone started to jump applications. (3) Took it back. Informed the lady at Edgars Tzaneen about the problem. She send it back again. Collected the phone last week Tuesday 21 Nov. Still jumping application. The Sales lady at Edgars tried to create a e-mail on the phone on Thursday. She said she will phone me on Friday. Today is Monday. I said I wanted a new phone. I have not received an sms, e-mail, telephone call regarding this matter.