Cash Crusaders review: iPhone 7 plus

I bought an iPhone 7 plus at cash crusader Centurion mall on the 29th of August 2024.
A day later I noticed the phone back camera was blurry on far objects which we didn't test at the store we only check if the camera was working,I went back to the store to return the phone but the service I got from them was bad I was told I was lying about the condition of the phone and it working just fine when I bought it and one of the employees tried to convince me that's how an iPhone works on far objects it's blurry and clear of close up which I disagreed on which was resolved when the manager came in to diffuse the situation and agreed to take phone to repair and I was told waiting period is 26 I will receive a message to come and collect it which ever happened.I took it upon myself to call the store on the 30th of September 2924 to ask if the phone was back and they confirmed it was back but I should wait for a call from them.Today on the 7th of October 2024 I decided to go straight to store and hear what is happening I got there I was told the phone is back and fixed it was checked by one of the employees and she confirmed it is fine and gave it to me to check it and noticed the home button was not working but the camera was fixed and I then told them about it and I was told to wait for 30 minutes they will get it fixed which I was not happy about because they had the phone with them for a month and they were unable to see it an I ended up waiting for an hour. I asked to lay a complaint to the manager and she told me she wasn't aware of the situation because there is new management ,I then asked for a refund because at this stage I don't trust if the phone is going to perform as well as it should but I was told they do not do refunds unless the phone is not functioning well