5G Home internet keeps dropping!

This started happening to me back in July.  I ultimately had to cancel my T-Mobile home Internet because it just wasn't working for us.  It was nearly flawless for the first seven or eight months of service.  Easily over 300 Mbps for all of our (20+) devices.  It was a dream replacement for our cable Internet that was just getting more and more expensive.  However, no Internet just doesn't work, so we replaced it with Verizon 4G LTE which is admittedly MUCH slower.  Slower, but reliable and always present.  That works for us.  I am very sad that T-Mobile quit on us.  It was great while it lasted.  I think that our usage got us bumped off.  We routinely used in excess of 1,600 Gb of data monthly.  Interestingly, though, during this time our phone's 5G failed to provide Internet for us.  To get an Internet connection with our phones, we needed to downgrade to LTE.  5G would connect, but it wouldn't provide ANY Internet access.  That is clearly unacceptable for a home Internet solution.