Install LineageOS on quill

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Basic requirements

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

Preparing for installation

Tegra devices come with a unique boot mode called “Tegra ReCovery Mode” or RCM, also known as APX. Tegraflash is the official Nvidia tool for interfacing with RCM mode on recent Tegra devices. Tegraflash is only available for Linux. It will also not run properly in a VM.

Installing a custom recovery using Tegraflash

  1. Download a flash package.

    • For TX2 Devkit, It will be named p2771_flash_package.tar.xz. For TX2 NX Devkit, It will be named p3636-p3509_flash_package.tar.xz.
  2. Install xz and python3. To do so, run sudo apt -y install xz-utils python3 (Debian based hosts) or dnf -y install xz-utils python3 (Redhat based hosts).
  3. Run the following command in the folder which you downloaded the flash package to:

    • For TX2 Devkit, tar -xvf p2771_flash_package.tar.xz. For TX2 NX Devkit, tar -xvf p3636-p3509_flash_package.tar.xz.
  4. Power off the device, and boot it into download mode:
    • For TX2 Devkit - With the device off, press the FRC REC button, then tap POWER. Release FRC REC once apx enumerates. For TX2 NX - With the device unplugged, jump the FRC REC pin, then plug in. Remove the jumper once apx enumerates.
  5. Now, from the same terminal as before, run:
    sudo ./flash.sh
    
  6. The script will flash the boot stack and boot directly to recovery.

Installing LineageOS from recovery

  1. Download the LineageOS installation package that you would like to install or build the package yourself.
    • Optionally, download an application package add-on such as Google Apps (use the arm64 architecture).
  2. If you are not in recovery, reboot into recovery:
    • The bootloader does not allow using hardware buttons to boot to recovery. After apx flash, the device will boot directly to recovery. After installing Lineage, normal methods can be used to reboot to recovery.
  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, click Advanced, then Reboot to Recovery, then when your device reboots, click Apply Update, then Apply from ADB, then adb sideload filename.zip 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

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