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Install LineageOS on
NVIDIA Jetson TX2 NX [Tablet]

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Warning: The provided instructions are for LineageOS 17.1. These will only work if you follow every section and step precisely.
Do not continue after something fails!

Basic requirements

Read through the instructions at least once before actually following them, so as to avoid any problems due to any missed steps!
Make sure your computer has adb and fastboot. Setup instructions can be found here.
Enable USB debugging on your device.
Make sure that your model is actually listed in the “Supported models” section here (exact match required!)
Boot your device with the stock OS at least once and check every functionality.
LineageOS is provided as-is with no warranty. While we attempt to verify everything works you are installing this at your own risk!

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`

Download a flash package.
- It will be named p3636-p3509_flash_package.tar.xz.
Note: These flash packages were built by LineageOS Developer Aaron Kling (webgeek1234) from officially supported LineageOS repositories, using Tegraflash and device configurations from NVIDIA Linux4Tegra releases and a few custom scripts.
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).
Run the following command in the folder which you downloaded the flash package to:
- Run tar -xvf p3636-p3509_flash_package.tar.xz.
Power off the device, and boot it into download mode:
- With the device unplugged, jump the FRC REC pin, then plug in. Remove the jumper once apx enumerates.
Now, from the same terminal as before, run:
```
sudo ./flash.sh
```
Note: Please note this will require your user’s sudo password, as the script requires direct hardware access, which requires root privledges.
The script will flash the boot stack and boot directly to recovery.

Installing LineageOS from recovery

Build a LineageOS installation package.
- (Optionally): If you want to install Google Apps add-on package (use the arm64 architecture), you can download it from here.
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.
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).
Return to the main menu.
Sideload the LineageOS .zip package but do not reboot before you read/followed the rest of the instructions!
- On the device, select “Apply Update”, then “Apply from ADB” to begin sideload.
- On the host machine, sideload the package using: adb -d sideload filename.zip.
  Tip: Normally, adb will report Total xfer: 1.00x, but in some cases, even if the process succeeds the output will stop at 47% and report adb: failed to read command: Success. In some cases it will report adb: failed to read command: No error or adb: failed to read command: Undefined error: 0 which is also fine.

Installing Add-Ons

Note: If you don’t want to install any add-on (such as Google Apps), you can skip this whole section!

Note: Add-ons aren’t signed with LineageOS’s official key, and therefore when they are sideloaded, Lineage Recovery will present a screen that says Signature verification failed, this is expected, please click Continue.

Warning: If you want the Google Apps add-on on your device, you must follow this step before booting into LineageOS for the first time!

Even though you are already in recovery, click Advanced, then Reboot to Recovery
When your device reboots, click Apply Update, then Apply from ADB, then adb -d sideload filename.zip for all desired packages in sequence.

All set!

Once you have installed everything successfully, you can now reboot your device into the OS for the first time!

Click the back arrow in the top left of the screen, then “Reboot system now”.

Note: The first boot usually takes no longer than 15 minutes, depending on the device. If it takes longer, you may have missed a step, otherwise feel free to get assistance.

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.

Install LineageOS on NVIDIA Jetson TX2 NX [Tablet]