https://www.cnet.com/news/oneplus-6t-will-launch-in-october-with-t-mobile-as-us-partner/

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 people familiar with the launch plans. That includes a specific version of the OnePlus 6T optimized for T-Mobile's network, the people said.