SOS or 0 cellular bars

I have had a degraded xfinity mobile experience specifically at my home and in my neighborhood.  Other lines on my plan are also experiencing this but not as bad as I feel the pain.  I primarily work from home and routinely miss calls throughout the day or have spotty reception and typically failed calls when I do connect.  This was not a problem with my previous provider and was also not a problem until a few months ago.  There has been planned maintenance in my area on 3/2 as well as 3/25.  I don't know if this is to the cellular network or the internet lines.  The only thing I do know is that planned maintenance or upgrades to the network have degraded my actual cellular connection and coverage.  It's to the point that it's not worth having a phone for phone service.  I have chatted multiple times and reset the esim, reset the network, reset the phone, rebooted multiple times, switched airplane mode and had a voodoo doctor try to purge the demon.  I need an actual fix.