https://www.cnet.com/news/oneplus-6t-will-launch-with-t-mobile-in-first-us-carrier-deal-ever/

OnePlus' next flagship phone will get a feature that's new to the company: the backing of a major US carrier.

T-Mobile will be the exclusive US carrier partner for the OnePlus 6T when it launches in October, according to several people familiar with the launch plans. That includes a specific version of the OnePlus 6T optimized for T-Mobile's network, the people said.