These are the secret cases Apple uses to hide prototype iPhones during testing

In what is widely regarded as the biggest, albeit accidental, product leaks in tech history, an Apple engineer in 2010  went out for a few drinks and accidentally left a pre-release version of the iPhone 4 behind at a bar. Famously, the device — which was cloaked in a special case designed to look like the iPhone 3GS — ultimately ended up on the front page of Gizmodo for the collective eyes of the tech world to see.
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