Install Android 8.1 NLOS v15.1 LineageOS Oreo Custom ROM on OnePlus 3T

The latest Android 8.1 NLOS v15.1 LineageOS Oreo ROM is now available for the OnePlus 3T smartphone. The ROM is based on LineageOS and comes with all of the features form the official Android 8.1 Oreo. OnePlus 3T users can taste the Android 8.1 Nougat experience at their devices. Lineage OS is the new name assigned to CyanogenMod custom ROM so basically, NLOS v15.1 LineageOS is a newly branded ROM based on popular CM custom ROM. This latest custom ROM comes with all the great features associated with Nougat and also some aftermarket features and customization’s to play and modify your device.

This ROM is not officially announced by OnePlus but just a custom ROM. Keep in mind that this custom ROM is not a final build so you may face some minor bugs and not functioning features but don’t worry you can use it as a daily driver. All you need to have the latest version of a custom recovery like TWRP or CWM on your device and root access. Because you’ll require a custom recovery to install Android 8.1 NLOS v15.1 LineageOS Oreo on OnePlus 3T.

Install Android 8.1 NLOS v15.1 LineageOS Oreo Custom ROM on OnePlus 3T

By following this step by step guide, you can install Android 8.1 Oreo NLOS v15.1 LineageOS custom ROM on OnePlus 3T. This latest custom ROM brings flexibility, customizability and enhanced performance for your device. Many users have already tested this NLOS v15.1 LineageOS Android 7.1.1 OS, reported that everything is working without problems on the OnePlus 3T. Before proceeding, don’t forget to take a complete backup of all your existing data. Because while flashing this custom ROM your entire data will be wiped clean. If you are interested in updating your OnePlus 3T to Android 8.1 Oreo NLOS v15.1 LineageOS custom ROM then go ahead and follow the given steps.


This guide containing the NLOS v15.1 LineageOS Android 8.1 Oreo Custom ROM is working with the OnePlus 3T devices. Do not try to install this ROM on any other device, as a result, your device might get bricked.


AndroidBlog will not responsible for any damage occurred to your OnePlus 3T during or after the installation of NLOS v15.1 LineageOS ROM. Proceed at your risk.


  • Make sure that the battery level of your OnePlus 3T is at least about 80% before moving to the installation guide.
  • Download and install proper USB Drivers for the OnePlus 3T on PC.
  • It is highly recommended to take a good backup of your important data and settings on the phone using a custom recovery such as CWM or TWRP. In case anything goes wrong then you’ll be able to restore your data.
  • Enable USB Debugging Mode on One Plus One from Settings > Developer Options.
  • Make sure to unlock the bootloader of your phone.

Required Files:

Steps to Install NLOS v15.1 LineageOS Android 8.1 Oreo ROM on OnePlus 3T:

Here is a step-by-step guide on how to install Android 8.1 Oreo based NLOS v15.1 LineageOS custom ROM on OnePlus 3T.

1: – Download the NLOS v15.1 LineageOS  Android 8.1 Oreo custom ROM and Google Apps package from the above links on the desktop of your PC. Do not extract these files.

2: – Now, connect your OnePlus 3T to the PC using its USB data cable.

3: – Move the NLOS v15.1 LineageOS firmware and Google Apps zipped files to the root folder of SD card on your phone.

4: – Now, disconnect the device from the PC and turn it OFF in order to boot into Recovery Mode.

5: – Turn ON the OnePlus 3T while pressing and holding Volume Up + Home + Power keys at the same time for a while until the device enters into Recovery Mode.

6: – Go back to the main recovery menu and perform a full data wipe. This includes Dalvik cache, Cache, System, Factory data reset.

7: – Go back the main Recovery menu and choose install zip from sdcard> choose zip from sdcard.

8: – Find the ROM file that you’ve already transferred to the root folder of your SD Card in Step No 3. Select the NLOS v15.1 LineageOS ROM .zip file and proceed the installation process.

9: – After the ROM installation successfully completes on your OnePlus 3T, install Google Apps package by following the same procedure as given above.

10: – After the installation of NLOS v15.1 LineageOS Android 8.1 Oreo custom ROM and Google Apps, select reboot system now to reboot the phone.

It will take about 5 minutes to boots up for the first time after installing ROM on your phone.

That’s All! You have successfully updated OnePlus 3T to the latest Android 8.1 Oreo with NLOS v15.1 LineageOS custom ROM.

Let us know in the comments area below if you have any issues or questions regarding the above guide.

Bhatti Junaid

He continuously writes tech articles and development code. Also, appreciates excellent food, exceptional coffee and great company. He has written 266 guides and other posts.

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