With 5G, you can soon go through your data cap in less than a minute at 3.6Gbps speeds

im stuck on 130 KB/s

Increasing data speed has literally nothing to do with how much of it you use

TMobile has unlimited data. Full stop.
Problem?
.
Besides, it will be exclusive to Verizon for the first few years and very sparse. In the meantime, I think it's more important to get 4G LTE more widespread and improve the throughput. It's been around for how long and it's coverage is still spotty.