The OnePlus 9 series is only certified for U.S. 5G on T-Mobile March 24, 2021 by admin Tweet Today, OnePlus announced its newest series of flagship smartphones, the OnePlus 9 series. In bad news for most customers, the pair of handsets will only get 5G connectivity on T-Mobile. Read more… Neowin Related Posts:OnePlus 9T is canceled, 2022 flagship to run on new OSOnePlus Nord 2 could feature flagship-level camera…Alleged OnePlus 11 Pro may not officially be called a "Pro"OnePlus doesn't plan to "settle" with its upcoming…OnePlus 11 launch date and promo video surface online