How to tell if xperia phone is fake?

[Bingi]

Welll i bought this one at store and so unfortunately im still paying for it the doesn't show it serial number come on it always germ also press it self

[TDot112]

• Open the phone dialer and dial *#06#. The IMEI will appear.
• Copy the imei
• Open your browser  and go to http://www.imei.info/
• The site will show your phone details if not its fake