What is Telkom's return policy

I went to TELKOM KATHU and took a contract phone on Friday 24 June 2022. It gave me problems the whole weekend. Monday 27 June 2022 I went back to tell them, they didn't help because of load shedding. I went back Tuesday 28 June 2022. The manager (JASTIN) told me the only thing they can do is to take the phone for repairs. There is a guy at Telkom call center who tried assisting me, the manager was very rude to him over the phone even hanged up the phone. That guy sent an email asking them to help me. The person from the store who called me now still says the same thing, they can only take the phone for repairs. I am not sure what to do at the moment, I am not happy with the service I am receiving, and that I will have to pay a phone monthly that I am not happy with thought I wanted to return it on day 3.