Authenticity of the phone?

I've recently bought this phone from a 3rd seller who said that the phone was an original that came from China. But I've started having doubts if I made the right purchase from the right seller. There has been no complains from other users, but I doubt they're the kind of people that could differentiate an original from a counterfeit even if their lives depended on it.

What I want to ask, is there any way to verify what the seller promised? That the cellphone is in fact an original moto?

Cheers!