Install Android 8.0 ExperienceOS on OnePlus 3T Oreo Custom ROM

ExperienceOS for OnePlus 3T is based on Android 8.0.0 Oreo. This ROM is a custom Firmware which runs flawlessly with a smooth experience. The ROM is greatly optimized with some integrated features like Beats and Dolby Atmos support. Moreover, SuperSU root access is pre-installed with this firmware. You will be able to install Android 8.0.0 ExperienceOS r29 Oreo on your OnePlus 3T using this tutorial.

NOTE: This ROM is not an Official release of OnePlus, but a Custom Firmware, which would require a custom recovery like TWRP to flash the Zip packages.

Please read the entire tutorial below and wait for a little, you will be ready to enjoy the test of Android 8.0.0 ExperienceOS Oreo Custom ROM.

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.

OnePlus 3T Oreo Update

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.

Remember: 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 3T comes with it tons of new features. We are mentioning some of the leading features below. Hope you would like to use it 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

With this new update, you will get access to the like of Notification Dots, Google’s Autofill API, smart text selection and picture-in-picture.

NOTE: This OS is only for OnePlus 3T. Please do not try with any other variant of OnePlus phones.

USB Driver

Make sure you have correctly installed OnePlus 3T 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

  1. Make sure your phone has at least 80 – 85% charge. If not, please do charge it before starting the experiment.
  2. Make sure your device has TWRP Custom Recovery installed from before. Otherwise, this tutorial will not work!
  3. This tutorial will WIPE OUT all your DATA. Make sure to create a Backup of everything before starting the tutorial.
  4. You need to perform a Dalvik Cache wipe in recovery mode before installing the ROM.

You may also like: [Clean Flash Guide] Install Android 8.0 Oreo in OnePlus 3/3T with OxygenOS 5.0

How to Install OnePlus 3T Oreo Update ExperienceOS r29 Custom Firmware

We have mentioned full step by step instructions on OnePlus 3T Oreo Update Custom ROM. 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)

Step 1: Download ExperienceOS Android 8.0.0 Custom ROM for OnePlus 3T on your computer.

Step 2: Now, connect the device to your PC using USB Cable.

Step 3: Copy and paste the downloaded zip file to the internal storage of your phone.

Step 4: Switch Off your phone and disconnect the cable.

Step 5: Press and Hold Volume Down + Power Button together to enter into the recovery mode!

Step 6: Once you are in the TWRP recovery mode, perform a full data wipe by tapping on “WIPE” Button. Also, perform a factory reset by swiping on the “Swipe to Factory Reset” option at the bottom.

Step 7: Go back to main menu (TWRP Home) and tap on “Install” button. From the list, choose the zip file that you have copied in Step 3.

Step 8: Confirm the installation by swiping the “Swipe to Confirm Flash” option on the next screen.

Step 9: Now, tap on the “Wipe cache/dalvik” button to clean the ROM and stay away from any boot loop issues.

Step 10: Hit on  “Reboot System” button!

Wait a while, and your phone will take not more than 10 minutes to boot for the first time.

Hurray! Your OnePlus 3T should now have Android 8.0.0 ExperienceOS Oreo Custom Firmware. Go to Settings > About phone to verify.

If you run into any problem, please comment below, and we will get back to you as soon as possible.

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Saeed Ashif Ahmed
Saeed Ashif Ahmed is a Blogger who has a keen interest in how emerging technology can help the world become a more just, equitable, and kind place. He enjoys interviewing CEOs of tech startups asking them what they are doing to bring greater opportunity and equity to our society.
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