https://thenextweb.com/insider/2020/05/14/sprint-will-disappear-this-summer-as-t-mobile-takes-over/

T-Mobile and Sprint officially became one last month, and the two networks have already begun merging their networks. We’ve known for a while that the Sprint brand would be phased out in favor of T-Mobile as well, but now we know when.

During an investor call, T-Mobile CEO Mike Seivert said the company will transition to a unified brand starting this summer. The process was originally expected to begin in early summer, but COVID-19 pushed it to mid-summer instead: