I fried the audio in my iPod Touch 2nd gen in high school trying to build an external battery charger. I took it back to BestBuy and just said it stopped workin

I fried the audio in my iPod Touch 2nd gen in high school trying to build an external battery charger. I took it back to BestBuy and just said it stopped working. He updated the software, checked the water damage marker, then gave me a new one.