Install LineageOS on z2_plus

Basic requirements

  1. Make sure your computer has working adb and fastboot. Setup instructions can be found here.
  2. Enable USB debugging on your device.

Unlocking the bootloader

  1. Unlock your bootloader by following this guide.

Installing a custom recovery using fastboot

  1. Download a custom recovery - you can download TWRP. Simply download the latest recovery file, named something like twrp-x.x.x-x-z2_plus.img.

  2. Connect your device to your PC via USB.
  3. On the computer, open a command prompt (on Windows) or terminal (on Linux or macOS) window, and type:
    adb reboot bootloader
    

    You can also boot into fastboot mode via a key combination:

    • With the device powered off, hold Power. Keep holding until the phone powers on and shows the bootloader menu. Use Volume Down to navigate until on fastboot and Power to choose.
  4. Once the device is in fastboot mode, verify your PC finds it by typing:
    fastboot devices
    
  5. Flash recovery onto your device:
    fastboot flash recovery twrp-x.x.x-x-z2_plus.img
    
  6. Now reboot into recovery to verify the installation:
    • With the device powered off, hold Power. Keep holding until the phone powers on and shows the bootloader menu. Use Volume Down to navigate until on recovery and Power to choose.

     
    Alternatively, you can use fastboot to boot directly into the freshly flashed or any other desired recovery:

    fastboot boot twrp-x.x.x-x-z2_plus.img
    

Installing LineageOS from recovery

  1. Download the LineageOS install package that you’d like to install or build the package yourself.

    • Optionally, download additional application packages such as Google Apps (use the arm64 architecture).
  2. If you aren’t already in recovery, reboot into recovery:
    • With the device powered off, hold Power. Keep holding until the phone powers on and shows the bootloader menu. Use Volume Down to navigate until on recovery and Power to choose.
  3. Go back to return to main menu, then tap Wipe.
  4. Now tap Format Data and continue with the formatting process. This will remove encryption as well as delete all files stored on the internal storage.
  5. Return to the previous menu and tap Advanced Wipe.

  6. Select the Cache and System partitions to be wiped and then Swipe to Wipe.

  7. Sideload the LineageOS .zip package:
    • On the device, select “Advanced”, “ADB Sideload”, then swipe to begin sideload.
    • On the host machine, sideload the package using: adb sideload filename.zip
  8. (Optionally): If you want to install any additional add-ons, adb sideload /path/to/zip those packages in sequence.

  9. (Optional): Root the device by installing the LineageOS’s AddonSU, (use the arm64 package) or using any other method you prefer.
  10. Once all installations are finished, run ‘adb reboot’.

Get assistance

If you have any questions or get stuck on any of the steps, feel free to ask on our subreddit or in #LineageOS on freenode.