OnePlus’s Oxygen OS v3.1.2 ROM for OnePlus 3 is now available for download. The recovery flashable full stock ROM (signed zip) will not overwrite your data partition. You can use the ROM to unbrick or unroot your OnePlus 3. In this guide, we will show you how to install stock Oxygen OS v 3.1.2 ROM on OnePlus 3.

For your information, OnePlus 3 is running on the Android 6.0.1 Marshmallow under the Oxygen OS skin. Oxygen OS lets you fully customize your device with different accent colors and icon packs. Also, it provides various gestures to help using the phone lot easier.

How to Install Oxygen OS v 3.1.2 ROM on OnePlus 3

Important: Backup important files you have on the phone before proceeding with below steps.

  1. Download Oxygen OS v 3.1.2 full ROM (signed zip) for OnePlus 3 [HERE] [Source]
  2. Save the downloaded ROM zip file on your phone
  3. Next, reboot OnePlus 3 into recovery mode. To do so, switch off the phone, the press and hold Volume Down + Power button together until you see anything on screen.
  4. In recovery, choose ‘Install from local’, select the ROM zip file, and confirm the installation. The ROM will be installed automatically. Once done, restart the device. The first boot will take few minutes. (Source – OnePlus)