Conduct business in bad faith

Bought a cell phone IPhone on their site, the ohone never worked from day one, any sim inserted regardless of network didn’t work which showed the phone was blocked. Subsequently returned it to Takealot an I got a call from a consultant that the phone had a “passcode” which is impossible since the phone was reset before return. The return was declined under the guises that it has a “passcode”, I struggled to get the phone back after countless enquiries it was returned blocked now I can’t do anything with a phone i paid R4290 for I am very bitter with the experience I received from Takaealot.