I was planning to use my old iPhone 3GS for weekend project but I discovered that the screen was popped out and the back was bulging, I took it apart and this
File:Expanded lithium-ion polymer battery from an Apple iPhone 3GS.jpg - Wikimedia Commons
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It seemed like it was getting bigger, then the screen popped off" iPhone 3Gs : r/techsupportgore
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![iPhone 3GS battery swells to absurd size [Update] | Engadget](https://o.aolcdn.com/images/dar/5845cadfecd996e0372f/015cb5d33c01076bf3ca66a8f675a4dd5095ae65/aHR0cDovL28uYW9sY2RuLmNvbS9oc3Mvc3RvcmFnZS9hZGFtL2EyNDg1NjZjN2Q3OGZiY2VhZmE1MDdlYjdmNzI0NzYxL2JhdHRlcnkgYmFsb29uLmpwZw== "iPhone 3GS battery swells to absurd size [Update] | Engadget")
iPhone 3GS battery swells to absurd size [Update] | Engadget
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