Comment by joecool1029

All my data usage is over LTE and NR. On one line it mostly gets used for streaming video (YouTube,plex,twitch) and averages around 500GB/mo. I rent a line to a friend and he's doing over 10TB/mo on mostly machine learning stuff and astronomy data.

T-Mobile absolutely counts all data used over the network, my voice lines go QCI 9 (they are normally QCI 6) when over 50GB of any kind of data usage each month, the home internet lines are always QCI 9. I don't have congestion in my area so it does not affect my speeds. This is QoS prioritization that happens at physical sector level on the tower(s).