Of course there are differences, but in terms of large traits and behaviors over the majority of the population there are a lot of similarities. Saying no one is NT hurts those who absolutely aren't.
My biggest tip is to not watch movies and series dubbed. I know from looking at menus that English is very commonly dubbed to Italian. I'm Swedish, and don't have that luxury, which has forced me to become better at listening.
Interesting. VoLTE is not at all standard or on all phones over here due to the carriers only enabling it for the phones that they sell with their plans.