OnePlus 3と3TにOxygenOS 9.0.6が来てた
https://forums.oneplus.com/threads/oxygenos-9-0-6-for-oneplus-3-oneplus-3t.1142865/
OnePlus 3T用OxygenOS 9.0.6のリンクはこちら
https://otafsg1.h2os.com/patch/amazone2/GLO/OnePlus3TOxygen/OnePlus3TOxygen_28.A.86_GLO_086_1911042121/OnePlus3TOxygen_28_OTA_086_all_1911042121_9156030ead54e.zip