That’s how MVNOs work, they buy data in bulk at wholesale prices. But they pay for lower QoS. There isn’t anything wrong with that. But they are getting jank

That’s how MVNOs work, they buy data in bulk at wholesale prices. But they pay for lower QoS. There isn’t anything wrong with that. But they are getting jankier bandwidth. https://en.wikipedia.org/wiki/QoS_Class_Identifier https://en.wikipedia.org/wiki/QoS_Class_Identifier T-Mobile comes with 5GB of high speed data per month to use for roaming in Canada and Mexico and lower speed data roaming almost anywhere else in the world.