US Mobile lets customers choose their favorite network while Boost Mobile is working hard to get customers to try it's new 5G coverage

Boost Mobile, on the other hand, is totally focused on wireless and has even begun work on its own 5G network using some low-band spectrum. While its network build is in progress, Boost is leaning on AT&Ts vast LTE and 5G network to fill in the gaps and keep customers connected.

Boost Mobile is continuing its bid for your business with a new round of announcements about its network, its performance, and its phone lineup. The first point this service—once known as one of Sprint’s prepaid brands—makes: its 5G network "now covers more than 70% of the US population,