Update OnePlus One To LineageOS 15.1 Android 8.1.0 Oreo Custom ROM


Do you want to download and install Android 8.0.1 Oreo LineageOS 15.1 on OnePlus One of yours? You are at the right place. Here you will be guided to download and install LineageOS 15.1 ROM on OnePlus 1.

LineageOS 15.1 ROM is released by the developers who previously developed CyanogenMod (CM) ROM. Now the same developers made their best to LineageOS to serve Android 8.0.1 on number of Android devices that either supported or not-supported by the official Android 8.0.1 Oreo. Google had made the firmware available along with its source code.

LineageOS 15.1 custom ROM is Android 8.0 Oreo firmware. If you want to try the ROM and find out what LineageOS 15.1 ROM is offering. Then you are invited to follow the full instructions to flash the custom ROM from this post.


  • The guides here only for the OnePlus 1.
  • You need to firstly unlock your bootloader on OnePlus 2.
  • Be sure to make backups first.
  • Be sure you have installed OnePlus One USB Driver on your computer guys.
  • Be sure that your device is powered with CWM or TWRP, this post uses TWRP recovery; the how to install TWRP on OnePlus 2 guides.
  • Be sure that you firstly enable USB debugging mode on your OnePlus 1 phone.
  • Follow all the guides written on this post and do not skip any steps.
  • Gapps doesn’t include on this custom ROM, therefore you will need to install the Gapps separately.
  • A computer and a USB cable must be prepared.
  • You need to make sure that your device’s battery power is sufficient.
  • Hope you all the best guys now.

Now download the following files to your computer.

Download Lineage OS 15.1 ROM zip file


How to update OnePlus One (OnePlus 1) to Android 8.0.1 Oreo with LineageOS 15.1 ROM

Perform the guides and all the possible risks are your to take my friends.

  1. Now connect your device to computer using a USB cable and then transfer all the zip files (Lineage Android 8.0.1 Oreo and Google Apps zip files) you downloaded earlier to PC to your SD card.
  2. Now power off your device then unplug it from USB cable.
  3. Now enter to the Recovery Mode / TWRP mode.
  4. Inside the TWRP mode, perform the following action full data wipe by choosing the Wipe button -> Swipe to Factory Reset button.
    Wipe Data TWRP Recovery Android
    Wipe TWRP Recovery
  5. Now back to the TWRP main menu then you need to tap the Install button. And then choose the Android 8.0.1 Oreo Lineage 15.1 OS ROM zip file you previously transferred to your device’s storage on step 2.
    Install Button TWRP Recovery Android
    Choose Zip File TWRP Recovery
  6. Now confirm the installation by simply swiping the Swipe to Confirm Flash option. You will see the installation will begin.
    Swipe To Confirm
  7. Once the installation has been completed then repeat the above action to flash the Gapps.
    TWRP Finished Install
  8. Now you need to tap Wipe cache/dalvik button in case you experience bootloop or other technical problem.
  9. Now you need to tap the Reboot System button.
    TWRP Reboot System
  10. Done.


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