Install Official Android 8.0 Oreo Open Beta Rom on One Plus 3/3T


How To Android 8 Oreo on One Plus 3/3T :

  • For safety backup your files before installation
  • If you are on Stable Rom or Open Beta Rom then copy the downloaded beta rom and paste it to your phone directory
  • Now open Setting/System Updates

  • Then click on the Setting icon on the top right corner

  • Now click on Local Upgrade
  • Installation will start and it will take around 15mins

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