How to Install OnePlus 5 Oreo Update Official Firmware (OxygenOS 5.0.4)

A leaked version of OxygenOS based on Android 8.0 Oreo was spotted in the XDA Developer. Chinese OEM has many ways to test the latest Oreo on their homemade OxygenOS. They are testing the Open Beta of Android 8.0 in the OnePlus 3 and 3T.

OnePlus 5 owners can now taste the same and feel the Android Oreo on their device. This is a Stable Official build, and hence it’s good to use as a daily driver.

A complete guide on how to install Android Oreo in OnePlus 5 is here. We will be covering entire step by step tutorials and instructions. Please read all the steps carefully and make sure to read the whole tutorial once before actually performing on the device.

If this is your first time installing a Custom ROM or an Official Firmware, we understand you would want to make sure everything goes smooth. So before actually performing anything on your device, make sure to backup all your Data, Files, Contacts, WhatsApp chats and SMS. We will be playing a clean flash; your entire data will be wiped clean — like a brand new phone.

Disclaimer: All the custom ROMs, Official Firmware, How-to guides, tutorials, roots, hacks and tricks mentioned on our site belong to the respective developers. We are not responsible if anything goes wrong with your device. Perform it at your own risk.

This fantastic Android 8.0 Oreo ROM for the OnePlus 5 comes with it tons of new features. We are mentioning some of the leading features below. Hope you would like to use on your device.

Swift moves, behind the scenes
Accessibility button
Notification snoozing
Project Treble
Integrated printing support
Google Play Protect
Notification Dots
Android Instant Apps
Picture-in-Picture

NOTE: This OS is only for OnePlus 5. Please do not try with any other variant of OnePlus phones.

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USB Driver

Make sure you have correctly installed OnePlus 5 USB Driver on your computer. If not, please download from any official source and install it correctly. Otherwise, your computer will not detect your device.

Things to Remember

Make sure your phone has at least 80 – 85% charge. If not, please do charge it before starting the experiment.
Make sure your device is Factory Unlocked from before. Otherwise, this tutorial will not work!
This tutorial will WIPE OUT all your DATA. Make sure to create a Backup of everything before starting the tutorial.
Your phone should have OnePlus Stock Recovery installed from before. TWRP Custom Recovery will also work in this case.

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How to Install OnePlus 5 Oreo Update

We have mentioned full step by step instructions on OnePlus 5 Oreo Update. If you are entirely new for flashing a Custom ROM or an Official Firmware, please read the entire tutorial once before actually performing it on your device.

TUTORIAL: (Step by Step Guide)

For Stock Recovery

Download OnePlus 5 Oreo Update – Official OxygenOS Oreo ROM to your computer.
Connect your device to the computer using USB Cable and Copy / Paste the Downloaded Zip file in the internal storage.
Switch OFF your phone and disconnect the USB Cable.
Now get into recovery mode by pressing and holding Volume Down and Power Button together.
Select “Install from internal storage/Install from local”, find your .zip file and click on “Install” to confirm.

For TWRP Recovery – and you want a dirty flash!

If you are in OxygenOS with TWRP Custom Recovery and you want a dirty flash without losing your data, follow the above steps and boot into recovery mode.