Download and Install Android 7.1.1 OxygenOS Open Beta 3 on OnePlus 3T

Since the launch of Android Nougat 7.1.1 everybody has been busy installing the same over their devices, yet the OnePlus 3T uses didn’t actually receive this update until today the open beta 3 was released for the oneplus 3T and you can actually Download and Install Android Nougat 7.1.1 OxygenOS Open Beta 3 on the OnePlus 3T.

The update is actually rolling Over the Air OTA and you can download it by going to your phone settings and clicking on the button ‘Check for Updates.’ Well you’ll find the update file right there and you can download it by just clicking the update button. However if it’s not there, then you can follow this guide and Download and Install Android 7.1.1 OxygenOS Open Beta 3 on OnePlus 3T.


We are not be held responsible if you face any issue for your device undergoes any damage during this process so do it at your own risk.


  • Charge your device to at least 50% before beginning.
  • Backup your device and then begin this process.
  • Setup ADB and Fastboot on your systems.

How to Download and Install Android 7.1.1 OxygenOS Open Beta 3 on OnePlus 3T:

  • Download the build given below after this section into your devices.
  • Copy the build in the folder where ADB and Fastboot are located.
  • Reboot your device into recovery mode by holding and pressing power and volume up button at the same time.
  • In the recovery mode, select ‘Install from USB’ and a pop-up will appear as ‘You’re in sideload mode’.
  • Plug your OnePlus 3T into your computer.
    In the installed folder of ADB and Fastboot, open Command Prompt there.
  • Type in the following command:
    adb sideload File
  • Ex (adb sideload

  • Now your phone will start flashing the Open Beta 3 on your OnePlus 3T.


Open Beta 3 > Download here


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