I'm most concerned about voice quality. Any indication that there are more or better quality microphones. Also, I'm concerned about the LTE: on the Verizon n

I'm most concerned about voice quality. Any indication that there are more or better quality microphones. Also, I'm concerned about the LTE: on the Verizon network it sounds like they're using the same modem as the Galaxy S7. https://www.qualcomm.com/products/snapdragon/modems/x12 https://www.qualcomm.com/products/snapdragon/modems/x12 Is that correct?