https://www.reddit.com/r/NoContract/comments/tn4733/qci_leve...
Basically, pay more and you get a higher probability of higher quality connection. Whether or not the difference in cost is worth the difference (real or perceived) in quality of connection is of course, unknown.
>Google Fi ... is an MVNO telecommunications service by Google that provides telephone calls, SMS, and mobile broadband using cellular networks and Wi-Fi. Google Fi uses networks operated by T-Mobile and U.S. Cellular.
> A mobile virtual network operator (MVNO) is a wireless communications services provider that does not own the wireless network infrastructure over which it provides services to its customers.
T-Mobile owns the wireless network infrastructure, so an MVNO cannot be “by T-Mobile”, in any meaningful sense.
i.e. as opposed to consideration by you, me, or Wikipedia articles
* $15/month 3GB
* $25/month 6GB
* $35/month 12GB
That is a bit more expensive that Mint, but not insane, and you don't have to prepay for 6-12 months.