I don't believe these are genuine.
Take a look at the white bands, they do not form part of the structure of the main shell, they are simply 'stuck on'. The main metal part of the rear shell extends from end to end - so this would provide no radio-transparency - which is what the bands are designed for. Take a look at the 5S rear shell, there is a gap in the metal of the back plate at the top, providing the radio window.
My hunch - the cut-out logo will be real, and will provide the radio window the device needs. The bands - a deliberate red-herring, and will not appear on the finished product.
Take a look at the white bands, they do not form part of the structure of the main shell, they are simply 'stuck on'. The main metal part of the rear shell extends from end to end - so this would provide no radio-transparency - which is what the bands are designed for. Take a look at the 5S rear shell, there is a gap in the metal of the back plate at the top, providing the radio window.

My hunch - the cut-out logo will be real, and will provide the radio window the device needs. The bands - a deliberate red-herring, and will not appear on the finished product.
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