The article explains how LTE's Quality of Service Class Identifier (QCI) and its 5G equivalent, 5QI, determine which users receive network priority during congestion. It compares how Verizon, AT&T, T-Mobile, and major MVNOs assign priority levels, clarifies common misconceptions about "premium d...
Source: [HackerNoon](https://hackernoon.com/why-someone-next-to-you-gets-better-cell-service-at-crowded-events?source=rss)