Former flagship OnePlus 3 series get OxygenOS 5.0.4 update: Camera improvements, security patch and more - IBTimes India
June patch via 9.0.4] OnePlus 3/3T Android Pie 9.0 update resumed with OxygenOS 9.0.3, data corruption issue persists (Download links inside) - PiunikaWeb
OnePlus 6, OnePlus 6T start to receive OxygenOS 10.3.7 update with November 2020 security patch- Technology News, Firstpost
Download OnePlus 3/3T Android Pie (OxygenOS 9.0.6) Update
Oneplus 3 & 3T : Install Official Android Pie Oxygen OS 9.0 Rooted and Non-Rooted Devices - YouTube
Download] OnePlus 5/5T get first stable Android Pie update with OxygenOS 9.0 .0