dzenizo It depends on the inverter. First, the inverter has to be "Grid Connected", and certified by the electric utility company, so you don't electrocutate somebody when the main power is out. Refer to the drwaing above, there are single phase inverters, which can power only one leg of the three phase circuit, or you install a 3-phase inverter, wich will feed equal power to the three legs. This model in particular, is connected to a battery, and then it connects to an inverter and then to the grid. Do a search for "grid conneted inverters".

dzenizo Soporta la banda B4 para LTE de telcel, ATT, etc, 3G también funciona en México

dzenizo Since it has Android 9, it includes the Google play store. As for Amazon Prime video, I don't use it so I don't know.

dzenizo It has BT 4.0 included in the hardware

dzenizo It's very easy for a manufacturer to make a 110V transformer, please try to offer the 110V version

dzenizo Curiously, for this high end phone, NO FLASH on the front cameras!

dzenizo No, there is not a frontal flash