“What’s UP?” Problems since new firmware push for MB8600: 8600-19.3.15; VERY SLOW UPLOAD SPEEDS, plus broken modem admin utility/GUI

“What’s UP?” Problems since new firmware push for MB8600: 8600-19.3.15; VERY SLOW UPLOAD SPEEDS, plus broken modem admin utility/GUI Anybody else with an MB8600 notice very low upload speeds these ...