If you install OxygenOS Open Beta 1 on your OnePlus 5, you can experience Android 8.0 and its new features like PIP (Picture in Picture), notification dots, Smart text selection, Auto-fill, revamped Quick Settings menu, October 2017 security patches and more. Below is the full changelogs of this new update.

Below are the full changelog of OxygenOS Open Beta 1 for OnePlus 5: Although in beta, the firmware is stable and reliable, so users can use it as daily driver. However, install it at your own risk. Updated to Android O (8.0) Added Picture in Picture Added Auto-fill Added Smart text selection New Quick Settings design Added Parallel Apps Updated security patch to October Launcher changes Added notification dots New app folder design Now able to upload photos directly to Shot on OnePlus

How to Download and Install Android 8.0 Oreo Based OxygenOS Open Beta 1 on OnePlus 5

  1. Download OnePlus 5 Open Beta 1 full firmware package from here.
  2. After downloading the firmware on your computer, follow this installation instruction. Important note: If you want to go back to previous build, you should download the downgrade build and flash it via stock recovery. Here is how it is.

How to Downgrade OnePlus 5 for OxygenOS Open Beata 1

Note: The below procedure will wipe app and cache data, but Internal Storage will be saved.

  1. Download special build for OnePlus 5 from here and copy the file to internal storage.
  2. Reboot your phone in to recovery Mode.
  3. Choose “Install from Local”
  4. Choose the downloaded build to install. Keep in mind that all files mentioned above are beta, so you may experience bugs and it is unstable. (Source – OnePlus)