![I was opening an iPhone 4 because it didn't want to turn on, and I found this piece loose. Does anyone know what it is for and how to put it back I was opening an iPhone 4 because it didn't want to turn on, and I found this piece loose. Does anyone know what it is for and how to put it back](https://preview.redd.it/xtous4r8id781.jpg?width=640&crop=smart&auto=webp&s=2f7862f8217d762592a18bcf80b0f83bec6607dc)
I was opening an iPhone 4 because it didn't want to turn on, and I found this piece loose. Does anyone know what it is for and how to put it back
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