I just got an iPhone, I donot know if it 's original or not I?

So my problem is I'm unable to connect with Wi-Fi, it just keep searching but can't find my Wi-Fi network or any other. And due to I'm new to this iPhone thing I'm unsure what to do. Heck I'm not even sure if its iphone 4, 5 or whichever version. Here are tech details I get from general > about menu Capacity: 32gb
Version: 5.0.1 ( 9A405 )
Model: MC6062P
Wi-Fi Address: 48:60:BC1:75:44
Modem: 04.10.01
IMEI 35 689866 903860 3

Take this down lol ppl might hack your Wi-Fi network…