A:AnswerHello francodepiaggio, the international model (H1512) can support LTE Band 28 but the US model (H1511) cannot. This particular model is the US version (H1511). (AI)
A:AnswerI don't work for Best Buy, but I did mine as store pickup, and it arrived about four days after my order. I don't think they stock them or plan to (from my conversations with BB employees), but they ship them out to the store pretty quick after your order. The only bummer is that you prepay for the phone (whether you order them online for in-store pickup, or you go to the store and order through an employee).
A:AnswerMy 6P works flawlessly with T-Mobile so it should work with Metro PCS. Yes, it is the same phone you would buy directly from Google, with stock Android. I bought mine from Best Buy.
A:AnswerBest Buy can sell you a nano sim for $4.99 that works with T-Mobile. My transition was smooth and effortless. I can't speak about the other networks.
A:AnswerThis varies by the existing bands in your area. Search "Nexus 6P specs" and see what bands it supports. Remember that there are two versions, one global and one for North America. Although borh are unlocked, the global variant supports a few extra bands.
A:AnswerIt is NOT Micro USB. It is USB-C. New wave of charging port. Delivers faster charging and doesn't require figuring out which side is up to charge. B-)