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OnePlus 3/3T Gets Oreo Update via OxygenOS Open Beta Releases

(Last Updated On: October 14, 2017)

OnePlus 3 & 3T finally receive official Oreo update via OxygenOS Open Beta builds (25 & 16 versions, respectively). This is, in fact, a huge surprise for OnePlus 3/T users as they can officially taste the Oreo update on the device in a jiffy. With this update, OxygenOS is bundled with lots of exciting new features and under the hood improvements. I will be listing the changelog below for reference.

oneplus 3t oreo update

If you have already flashed any (newer) OxygenOS Open Beta firmware on OnePlus 3/3T, you’d be getting this update without any further ado. But keep in mind that once you flash this Open Beta firmware on OnePlus 3/3T, you will not be getting the official regular stable OTAs, that means, you may have to manually flash the newest stable firmware on the device.

Last but not the least, moving back to the Official OTA path from the Beta path will require a full install and clean flash which might possibly erase everything on your device. So if you’re not sure about the consequences, you’re not supposed to try the Open Beta firmware on OnePlus 3/3T. As far as Oreo update for OnePlus 3/3T is concerned, it really doesn’t make any sense.

OnePlus 3/3T Oreo Update: OxygenOS Open Beta Firmware Info

Compatible Device(s): OnePlus 3 (Beta 25), OnePlus 3T (Beta 16)

File Size: 1.40 GB

What’s New:

System

  • Update to Android O (8.0)
  • Added Picture in Picture
  • Added Auto-fill
  • Added Smart text selection
  • New Quick Settings design
  • Updated security patch to September

Launcher

  • Added notification dots
  • Now able to upload photos directly to Shot on OnePlus

Known issues of the first Android O Beta

  • Fingerprint unlock may be a bit slow in some situations
  • Shortcut to access Google Photos is unavailable
  • Stability of NFC and Bluetooth need to be improved
  • Performance and compatibility of 3rd party apps will be optimized continuously
  • Complete device tree will be released after a week

Source: Official OnePlus Thread

How to Update OnePlus 3/3T to Oreo via OxygenOS

  1. Stock Recovery Method

  • Download the OxygenOS Open Beta 25 for OnePlus 3 and Open Beta 16 for OnePlus 3T from the here. [OP3] [OP3T].
  • Now move the file to the root of your phone’s internal storage (without extracting).
  • Reboot your phone into stock recovery by switching off the device followed by holding Vol –and Power buttons together.
  • On the recovery menu, choose the OTA file under Apply Update option and proceed with the installation.
  • Once it’s finished, reboot the device to check whether it’s updated to OxygenOS Beta firmware.

Alternatively, you can choose the OTA file through System Updates > Settings Icon > Local Upgrade option as well.

     2. ADB Sideloading Method

  • Reboot your phone into stock recovery by switching off the device followed by holding Vol –and Power buttons together.
  • Choose “Install from USB” option in the recovery screen, tap OK to confirm. A screen with “You are in sideload mode” will be displayed.
  • Connect your device to the computer and execute the following command in the command window:
“adb sideload <filename>”
  • Once it’s finished, reboot the device to check whether it’s updated to latest firmware version.

I suggest you try the former method as it’s the safest and easiest way to install OxygenOS Open Beta 25/16 firmware on your OnePlus 3/3T. The latter requires a computer access and execution of commands, which may confuse newbies.

OnePlus 3/3T Oreo update via OxygenOS Open Beta builds guide has completed. If you’re having difficulties while following this tutorial, let me know via comments.

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Sidharth Pk

Sidharth. Professional Blogger. Android dev. Audiophile. Find us on Google+
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