Download OxygenOS Open Beta 3 for OnePlus 3T [Android 7.1.1 Nougat]


Finally OnePlus released the Android 7.1.1 Nougat based OxygenOS Open Beta 3 update for OnePlus 3T. The OxygenOS open Beta 3 Nougat firmware for OnePlus 3T is an upgrade to previously released Nougat beta 2. The OnePlus 3T open Beta 3 update has brought significant changes including system upgrade to Android 7.1.1 Nougat, improvements in overall firmware with bug fixes and more.

The OxygenOS Beta 3 Nougat is not available via OTA so just grab the firmware size 1.5GB from the link provided below and install it via adb sideload. The whole process is mentioned below along the complete change log for the OxygenOS Beta 3 Nougat update.

What’s New in OxygenOS Beta 3 Nougat firmware: (Source OnePlus)

  • Upgraded to Android 7.1.1
  • New Shot on OnePlus wallpaper option
  • Gallery Improvements
  • New photo editor with watermark and photo straightening options
  • Newly added media will be highlighted in Photos section
  • Image location will be displayed on grid view
  • Media can be grouped by month and year
  • Folders and individual media can be hidden
  • General bug fixes

How to install OxygenOS Beta 3 Nougat firmware on OnePlus 3T

Before you begin:

Disclaimer: This tutorial includes multiple operations which include flashing Stock Firmware. Follow the guide on your own risk, we are not responsible if you brick or damage your device however the chances of bricking a device are rare but you have to pay full attention on the complete guide to avoid any issues and difficulties while performing any of the above mentioned operation.

Enable USB Debugging (Settings >> Developer Options >> USB debugging)

Your phone battery should be charged minimum 80%

Download OnePlus USB drivers.

Download and Extract adb fastboot.

How to install OxygenOS Beta 3 Nougat firmware on OnePlus 3T

Download the firmware from the link provided below.

Now connect your device to the PC using USB cable.

Open the adb-and-fastboot folder you extracted earlier and copy the OxygenOS Beta 3 Nougat firmware zip inside the adb-and-fastboot folder.

Inside adb-and-fastboot folder, press SHIFT and Right-Click on an empty space inside the same folder.

Click on Open command prompt here as shown in picture below.


Issue the following command to reboot your device into recovery mode

adb reboot recovery

Once in TWRP recovery then choose “install from USB” and tap OK. It will enable the adb sideload mode.

Then type the following command to start the flashing process.

adb sideload

One done with the process just reboot your device or simple type “fastboot reboot”

Download OxygenOS Beta 3 Nougat firmware for OnePlus 3T

That’s it! If you have successfully flashed the OxygenOS Beta 3 Nougat firmware on OnePlus 3T please let us know. For any queries comment us in the below provided space.

A Software Engineer who loves to hang around latest gadgets and writes his own experiences to get the best possible and accurate information.

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