Challenge with a cancelation of contact after a faulty phone was delivered..

Ive procured the new Iphone 15 via vodacom online..on the 03 of May 2024 n the phone was delivered.within 24 hours i realised that the phone was faulty..front camera and flash light was not working n i called Vodacom within a 24 hours..the told me they wil arrange for Courier to collect the phone..an they collected the phone on the 15 of May so that i can cancel the contact and enter into a new one if i want..now its been weeks and the dnt wana cancel the contract which means i wil be paying for the phone which it is with them.im so frastrated.The consulatant are taking me pillar pillar.when and i tel me new story every day..im not happy with the service n the way im being treated.ive been vodacom custumer for over a decate now..