Duzi breaks dishonesty

I sent a EDC box for a quotation on Repairs, to Denzel at Duzi breaks in pietermaritzburg. He gave me a ridiculous fee to repair, I requested for the box to be sent back to me only to find out that the inner of the box was swopped with a completely damaged one. The one that he put in was so damaged that it wasn't even coming on, and numbers not visible. I confronted him telepathically and he denied it and then he stopped taking or returning my calls.