Download and Install Lineage OS 17.1 on Pixel 3a


Lineage OS 17.1 for Pixel 3a is now available to download and install from a developer build. This article explains how to install LineageOS 17.1 on Pixel 3a which is based on Android 10, with a step-by-step guide.

This custom ROM build of “Lineage OS 17.1 for Pixel 3a”, is brought to you by developer GothicVI, InvisibleK.

Download LineageOS 17.1 for Pixel 3a

Follow the links to get other Android 10 builds such as: LineageOS 17.1, or LineageOS 17 and Android 10 Download for supported devices.


If you like this ROM then do consider for a contribution to GothicVI, InvisibleK and LineageOS project:
– No donation link found for GothicVI
Donate to LineageOS project

This is an initial build of “LineageOS 17.1 for Pixel 3a”, which may have many bugs.
Make sure to backup all important data of your phone.

Keep in mind that you are the only person making changes to your phone. Neither the developer nor I can be held responsible for the mistakes done by you.

Installing the “Pixel 3a LineageOS 17.1” requires an unlock bootloader on Pixel 3a, which will VOID your warranty.

BUG Report of this LineageOS 17.1 for Pixel 3a

– Unknown
– Unknown


Where to Download Lineage OS 17.1 for Pixel 3a?

How to Install LineageOS 17.1 on Pixel 3a?

Following are the two sub-sections of this Pixel 3a LineageOS 17.1 update guide:

  1. First time installation of LineageOS 17.1 for Pixel 3a
  2. Upgrading LineageOS 17.1 for Pixel 3a from a previous build of LineageOS 17.1 ROM

Install the LineageOS 17.1 on Pixel 3a for the first time

This ROM update process requires few guides to be followed and few files to be downloaded. Everything referred in the below guide is provided in the above downloads section.
  1. Boot into the TWRP Recovery to install the “Pixel 3a LineageOS 17.1” Android 10 based custom ROM.
    – By now your phone must have an unlocked bootloader to proceed with other steps. If not, first, unlock the bootloader, download TWRP from above download link and install and then proceed ahead.
  2. Wipe the data partition, Cache partition and the system partition.
    – Here is a guide explaining how to wipe using TWRP recovery.

    This will delete all your data on your phone. You may consider taking a complete backup of your phone data or take a backup of all relevant partitions.
    How to backup data on Android
    how to take NANDROID backup using TWRP recovery
  3. ADB Sideload the Pixel 3a LineageOS 17.1 zip file
    – Here is a post explaining how to do ADB sideload using TWRP
  4. Once done, reboot into the TWRP recovery again.
  5. Then install the LineageOS 17.1 GApps package.
    – Here is a post explaining how to install GApps using TWRP recovery.
  6. Reboot and Enjoy the Android 10 based LineageOS 17.1 for Pixel 3a.

Upgrading from earlier version of LineageOS 17.1 for Pixel 3a (sargo)

  1. Boot into Recovery to flash the updated LineageOS 17.1 for Pixel 3a
  2. Wipe the system partition from the TWRP recovery menu.
  3. ADB Sideload the LineageOS 17.1 zip file for Pixel 3a.
    – Here is a post explaining how to do ADB sideload using TWRP
  4. Reboot and see you have the GApps and ROOT access or NOT.
    – Gapps is built in such a way that it will sustain across ROM updates.
  5. If you don’t have GApps after upgrading the LineageOS 17.1 on Pixel 3a, then flash the GApps.
    – Here is a post explaining how to flash GApps using TWRP recovery.
  6. If you don’t have ROOT after upgrading the LineageOS 17.1 on Pixel 3a, then flash the SuperSU or Magisk or the Lineage SU binary.
    – Here is a post explaining How to ROOT LineageOS 17.1
  7. Once everything is done, reboot and Enjoy the LineageOS 17.1 on Pixel 3a.
Complete the initial setup and enjoy Android 10 with LineageOS 17.1 on Pixel 3a.

Some Screenshots of LineageOS 17.1

After installing LineageOS 17.1 on Pixel 3a you may want to install Google Camera (GCam) or enable ROOT access on your phone and here is how you can do that:
LineageOS 17.1 Rooting guide

If there is no ROOT access for some reason even after installing the LineageOS SU binary, then you can try SuperSU Zip to enable ROOT access.

Where to Download Google Camera for Pixel 3a LineageOS 17.1?

GCam 7.2 and GCam 7.0 are compatible with LineageOS 17.1 or any Android 10 ROM in general.
In case you won’t get your device in the above lists, you can always look into the big list of Google Camera App download (this page contains a huge list of GCam for all available devices)

Stay tuned to the Pixel 3a (sargo) page for other Android 10, Android Oreo ROMs, Nougat ROMs, or other ROMs and all other device specific topics.

About the Author

I am a Software Engineer by profession. I have worked with few big companies, such as: BROADCOM Corporation, Cypress Semiconductor, LSI Corporation, TOSHIBA Corporation, Western Digital; on various cutting edge technologies and product lines, such as: RAID storage Driver, SSD Firmware, WLAN Firmware etc. Having more than 9 years of experience in Software Engineering domain. Now contributing to the Custom ROMs community by bringing various Custom ROMs to the end users, developed by thousands of developers across the globe.


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