SUCCESS! After posting issue, decided to replicate EA TECH instructed actions from a previous case (the gift that keeps on giving): I unplugged, held the XBOX 1-S "on" button to discharge, turned off the Wifi for 30 seconds. Turned on Wifi, plugged back in the power cord & turned everything back on. Result-able to play a death match in Multiplayer. Coincidence? Time will tell....
