For pricing, Sprint lists the G6 at $29.50/mo for 24 months, or $708 full retail. On AT&T, the phone is $24/mo for 30 months on AT&T Next or $30/mo for 24 months on AT&T Next Every Year. AT&T’s full retail is $720.
Each carrier has its own set of promotions going on, so revert to this post for more details. Basically, anyone who buys a G6 can get a free Google Home, or even a free TV.
Once T-Mobile’s pre-order is open, we will update you.