Chosen Solution

I am doing a chassis replacement for an iPhone 4. The absolute last part I pulled out was the front-facing camera. It had a pesky bracket which had to be removed with considerable force. The bracket popped out and I removed the front-facing camera, but I also noticed a tiny metal part which landed on my desk. I have spent a good fifteen minutes fiddling with it and looking through other iFixit photos trying to see where it fits in the chassis but am pretty lost. The part looks like this

http://imageshack.com/a/img849/2679/wzda

http://imageshack.com/a/img822/5003/h5f6… Can someone advise where does this part go please? It would be great if you could point me to a relevant guide pic with diagram pointing to where it should go. I would greatly appreciate your help. Thanks! -Nicholas

That piece is a component of the vibrate/mute switch assembly. https://d3nevzfk7ii3be.cloudfront.net/ig… Here is the whole iFixit instructions: iPhone 4 Vibrate Ring Switch Replacement