New cell phone Blurry...BAD BAD SERVICE

on the 15/01/2026 i bought a Samsung cell phone from Truworths Alberton City i got home the phone was blurry i took it back to the shop the next day i was than told that the person working with the cell phone was on her way home she is in the taxi.I went back the 17th the phone was booked in for repairs i was than told it would take 7 Days to day i called the shop i was told i must wait they busy with stock taking i had to call back and was told that the phone has not been checked they waiting for Authorization. The service is very Poor. Must i pay for a phone that is faulty