I have an iPod touch, and I dropped it and the screen cracked. I thought i'd repair it myself by buying a new screen and replacing it. When opening the front of the iPod, a little gold piece shot out and I cant find it. I was curious it was a circuit piece, so I compared my iPod circuit board with images on the internet of opened iPods, and it is indeed a circuit piece.
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Anybody know what it is? And what would happen if I put it back together without it and how to replace it?

Anybody know what it is? And what would happen if I put it back together without it and how to replace it?