Poor customer service and treatment

The wrong memory was installed in it after they had repaired it. I complained within a few days and was told it would be resolved. Two months later, after I had made contact with them again (after being told I would be contacted when the correct board arrived), they take my phone back, promising to have it back to me the same day. I then get told the phone has water damage (it was working perfectly when it was sent in), and the memory was *******ed and I would have to pay for a new 32GB board. I refused to pay for the board, considering the device was working perfectly, had come into contact with absolutely no water, not even a few smatterings from rain, I made sure of this because I knew it would have to be returned