Install LineageOS on d800

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Basic requirements

  1. Read through the instructions at least once before actually following them, so as to avoid any problems due to any missed steps!
  2. Make sure your computer has adb. Setup instructions can be found here.
  3. Enable USB debugging on your device.
  4. Boot your device with the stock OS at least once and check every functionality. Make sure that you can send and receive SMS and place and receive calls (also via WiFi and LTE, if available), otherwise it won’t work on LineageOS either!
  5. LineageOS is provided as-is with no warranty. While we attempt to verify everything works you are installing this at your own risk!

Rooting your device

  1. Root your device by following this guide.

Downgrading bootloader

In order to be able to boot a custom recovery and LineageOS you need to downgrade your bootloader.

  1. Download the relevant files for your device variant from here.
  2. Place aboot.bin and laf.bin on the root of /sdcard:
    • Using adb:
      adb push aboot.bin /sdcard/aboot.bin
      adb push laf.bin /sdcard/laf.bin
      
  3. Now, open an adb shell from a command prompt (on Windows) or terminal (on Linux or macOS) window. In that shell, type the following commands:
    su
    dd if=/sdcard/aboot.bin of=/dev/block/platform/msm_sdcc.1/by-name/aboot
    dd if=/sdcard/laf.bin of=/dev/block/platform/msm_sdcc.1/by-name/laf
    exit
    exit
    

Installing a custom recovery using dd

  1. Download Lineage Recovery. Simply download the latest recovery file, named something like lineage-18.1-20220930-recovery-d800.img.
  2. Place the recovery image file on the root of /sdcard:
    • Using adb: adb push <recovery_filename>.img /sdcard/<recovery_filename>.img
    • You can use any method you are comfortable with. adb is universal across all devices, and works both in Android and recovery mode, providing USB debugging is enabled.
  3. Now, open an adb shell from a command prompt (on Windows) or terminal (on Linux or macOS) window. In that shell, type the following commands:
    su
    dd if=/sdcard/<recovery_filename>.img of=/dev/block/platform/msm_sdcc.1/by-name/recovery
    
  4. Reboot into recovery.
    • From the same shell, type the following command:
      reboot recovery
      

Installing LineageOS from recovery

  1. Download the LineageOS installation package that you would like to install or build the package yourself.
    • (Optionally): If you want to install an application package add-on such as Google Apps (use the arm architecture), please read and follow the instructions on Google Apps page
  2. If you are not in recovery, reboot into recovery:
    • With the device powered off and usb unplugged, hold Volume Down + Power. When the LG logo appears, release both buttons and hold Volume Up + Volume Down.

  3. Now tap Factory Reset, then Format data / factory reset and continue with the formatting process. This will remove encryption and delete all files stored in the internal storage, as well as format your cache partition (if you have one).
  4. Return to the main menu.
  5. Sideload the LineageOS .zip package:
    • On the device, select “Apply Update”, then “Apply from ADB” to begin sideload.
    • On the host machine, sideload the package using: adb sideload filename.zip.
  6. (Optionally): If you want to install any add-ons, repeat the sideload steps above for those packages in sequence.

  7. Once you have installed everything successfully, click the back arrow in the top left of the screen, then “Reboot system now”.

Get assistance

After you’ve double checked that you followed the steps precisely, didn’t skip any and still have questions or got stuck, feel free to ask on our subreddit or in #LineageOS on Libera.Chat.