OnePlus has released Oxygen OS 11 public beta firmware for the OnePlus 7 and 7T series, so anyone who wants to try Android 11 as soon as possible can do it now.
Beta firmware is available for OnePlus 7 and 7 Pro, and 7T and 7T Pro.
There are some known issues that you should be aware of. Brightness adjustment may be delayed. There may be no sound depending on the Bluetooth connection device. It consumes more power and can be less stable.
The device then gets a new overhauled OxygenOS 11 with many features (new icons and UI, ambient display, new shelf interface, new camera UI, features, HEVC codec support, etc.).
There is a download link in the source link below. You need a supported unlocked device. Download the ROM upgrade zip, copy it to the root folder of your phone,[設定]>[システム]>[システムアップデート]>[ローカルアップグレード]Go to and follow the instructions.