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NorfolkMike
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Model and Serial Number Registration for a NWZ-474

I want to register my NWZ-E474R.  Registration wont accept that or any variant on that number.  AND the words S/No. or Serial No. or Serial Number followed by a number isn't shown on the package, nor on the device.  Stumped .... How do I regioster the darned product?????????

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