Cellphone department

Poor service at maponya mall, I bought a cellphone that I was not happy with upon me returning it back to the store an hour later after buying it I was told I cannot be refunded because it a loss for them . I don't understand a loss how for a product that I did not use and now I have a cellphone that I didn't use wherelese they took my money, Woolworths cellphone department at Maponya mall are nothing but ********