Call Center Survival 101:
"Power Cycle Please, Power Cycle one more time Please... not working yet?... moment.... OK good news, I spoke with a technician and it should be fixed in a day or two... if it isn't... call back on my day off.."
Classic!
It sounds like an issue with whatever they upgraded at the tower site not working with the Home Internet hardware. The fact that your phone and its mobile hot-spot continued to work as it should would seem to indicate that at least.
"Power Cycle Please, Power Cycle one more time Please... not working yet?... moment.... OK good news, I spoke with a technician and it should be fixed in a day or two... if it isn't... call back on my day off.."
Classic!
It sounds like an issue with whatever they upgraded at the tower site not working with the Home Internet hardware. The fact that your phone and its mobile hot-spot continued to work as it should would seem to indicate that at least.