How do you tell if your X3+ is a W612 or W613 etc

Just wondering how do you find out if your Finow X3+ is a W612 or a W613 ?

Thanks

Isn’t it in settings/About/Build number ?

Jun 11, 2017 16:41:33 GMT 1 ricktop said:
Isn't it in settings/About/Build number ?

on mine Just says LMY471 test keys on mine

It ok now found out it was a W612 using cpu-Z sorry for wasting your time and thanks anyway