Besides stability and performance optimizations, the Android 7.0 Nougat based OxygenOS Open Beta 9 brings expanded screenshots functionality to OnePlus 3. Also, this new build improves battery performance on OnePlus 3. However, the Open Beta 9 build is still based on Android 7.0, so there is no upgrade to Android 7.1.1 Nougat just yet.

What is new in OxygenOS Open Beta 9 for OnePlus 3? – Added Expanded Screenshots – Shelf Design Optimizations – General UI Optimizations – DPI Optimizations – Battery Performance Optimizations – Stability and Performance Optimizations – General bug fixes If you are interested to try out the OxygenOS Open Beta 9 (Android 7.0 Nougat) on your OnePlus 3, check out the guide below. Note: If you have not installed the OxygenOS Open Beta 8 on your OnePlus 3, you need to download the Open Beta 9 full firmware (1.3GB) and flash it manually. Backup all data on the phone before proceeding.

How to Flash OxygenOS Open Beta 9 on OnePlus 3

  1. Set up ABD and fastboot on your PC [Guide]
  2. Unlock OnePlus 3 bootloader [Guide]
  3. Download OxygenOS Open Beta 9 for OnePlus 3 from here and save it inside the ADB installation folder.
  4. Now, switch off OnePlus 3, press Power + Volume Down buttons together to boot into stock recovery.
  5. In recovery, choose “Install from USB” option, tap OK to confirm. A screen with “You are in sideload mode” will be displayed.
  6. Connect your OnePlus 3 to PC/Mac and issue the following command in command prompt /terminal For Windows: adb sideload File Name.zip For Mac/Linux: ./adb sideload File Name.zip
  7. Wait a while, your phone should now update to the selected build and reboot automatically to take you into OxygenOS. (Source – OnePlus)