Is this iphone a fake?

Hi all

Just purchased an Iphone 4S from ebay, from a guy who has good feedback, the auction claimed it had a battery issue (It kept turning off at random)

After buying it, ebay removed the auction, but I'd already paid and he did ship it, but here's where it get suspicious

On plugging the phone in, there's no reaction at all, not when plugged into the computer or mains electric.

I took the sim try out to check the serial/imei, it has nothing on it and the sim tray is..weird, it's like a letter U, it's not a complete tray

Of course, then I looked at the back...oh dear.

"Designed by Apple in California ASsembled in American"

Model No: A1221 FCC ID: 8c****221 IC ID: 578C-A1226

Do I report this matter to the police?

Checking the serial number from the box and it says - We're sorry, but this is a serial number for a product that has been replaced. Please check your information and re-enter your serial number. If your information is correct, you may need to contact us.

But of course, there's no serial number on the phone's sim tray.

<Edited by Host>