OxygenOS Open Beta 22 and 13 is mainly a bug fixing update and fixes a bunch of bugs found in the previous build. For example the update fixes installation issues of some parallel apps, fixes font issue after changing system language, fixes screenshot issues on some parallel apps, and more. Also, the update improves OnePlus apps updates, data usage tracking, etc.

Below are the full changelog of OxygenOS Open Beta 22/13 for OnePlus 3/3T: Improvements? Bug Fixes? Expanded screenshot optimizations. OnePlus apps updates: App locker, FileManager, Weather, Note (shelf), Launcher, and OnePlus Push have all been updated. Note that OxygenOS Open Beta 22/13 OTA update is available for those users who have signed up for the beta program. Other users can download and flash the ROM manually. Check out the guide below. Screenshot issues on some parallel apps: Sometimes the expanded screenshot would fail on parallel apps. Weather widget sometimes won’t update: Weather widget in Shelf will now update properly. Font issue after changing system language: Sometimes the system font did not display properly after changing system language.

How to Download and Install OxygenOS Open Beta Manually

  1. Download OnePlus 3 Open Beta 22 full firmware package from here. For OnePlus 3T, download Open Beta 13 full firmware package from here.
  2. After downloading the firmware on your computer, follow this installation instruction. Note: If you prefer stable version, then stick on the OxygenOS 4.1.6 (current stable version) for OnePlus 3/3T which is also based on Android 7.1.1 Nougat. (Source – OnePlus)