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Of course it’s fake

Because I know for sure. It’s a mockup design based on the prototype for iPhone 6 case, which is usually a simple brick with simple design and protruding lens for hole making with the correct dimension. I have seen one.

Anyway, this is just a mockup, nothing more and nothing less. Apart from the physical dimension and thickness, the rest of it are simply speculation/rumour/imagination/you name it. People with brain should treat it as is.
 
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