We use cookies to improve your browsing experience, show you personalized ads and content, and analyze traffic.

How to Download and Install LineageOS 17.1 on Samsung Galaxy A40 | Guide

How to Download and Install LineageOS 17.1 on Samsung Galaxy A40 | Guide
Lineage OS is one of the popular custom ROM and supported by several devices across the globe. They were one of the popular firmware distribution community gives users to boost performance and delivers a stock Android.

Whereas If you wonder why we need custom ROM if we already have the OS provided by the manufacturer. However, there is always specific lifeline support from manufacture and delays on the latest Android upgrade rollout. Many people were excited to experience the latest Android Version.

Lineage OS finally extended the support for some new device, including the Galaxy A40. Today we are going to help you with this Complete guide to download and install custom ROM on your Galaxy A40.
Galaxy A40 initially comes with Android 9.0 Pie out of the box, Still, we didn’t found the stock Android experience.

Noteworthy: LineageOS 17 for Galaxy A40

This guide helps you to enhance your android experience with LineageOS. We are going to share your complete guide alongside download link, Even we also mention the requirements and steps to the installation process.

Get Ready to Install the LineageOS 17

It is important that your device should have the bootloader unlocked, and you have installed the TWRP Recovery. If you have done that, let’s download and install LineageOS for Galaxy A40.

Galaxy A40 Information about Galaxy A40 LineageOS

 LineageOS 17.1 on Samsung Galaxy A40

Supported versions LineageOS 17.0
Released Date March 2019
System on Chip Samsung Exynos 7885
Chipset Configuration 4GB & 64GB eMMC5.
ROM OS Version Android v9.0 (Pie)
ROM Kernel Linux 4.x
Firmware Required Stock Firmware, TWRP & Unlocked Bootloader

What’s New
  • Adding Ambient Display
  • DT2W
  • Screen-off Gesture
Active Service (Working)
Reported Bugs (Not Working)

How to install LineageOS 17 for Galaxy A40

We recommend you to an instant complete article before you install LineageOS on your Galaxy A40. So you would not face any problem during install LineageOS.

Do at your own Risk

AndroidGreek doesn’t take any responsibility for any error/Damage/Lossing data on your Galaxy A40. You are responsible for any mistake and following flashing guide the files. There were some functions that don’t operate properly and can cause serious damage to your device. Eve, the Widevine L1 support will be replaced by Widevine L3.

Basic Pre-Requirements

  1. Enable the USB Debugging on your Galaxy A40
  2. Turn on the adb and fastboot: HOW TO INSTALL ADB AND FASTBOOT IN WINDOW AND MAC.
  3. Unlock the Galaxy A40 Bootloader, and Setup instructions can be found on Moto’s Forum.
    Quick Disclaimer
    Download the Unlock tool apk on your device: Download Bootloader unlock toll. Multidisabler
    • You devise data will be erased.
    • Charge your devices at least above 60%
    • 1x USB Cable and 1X Pc/Mackbook
  4. Then, Download and Manually Install Android USB Drivers on your PC
  5. Additionally, Download LineageOS 17 ROM
  6. Lastly, Download Android 10 Queen TWRP and Gapps Package [Google Apps]
  7. That’s it, and you have finished the download files that you have to flash or install on your device.

Here is the guide to follow the instructions

  1. Starting with install the latest TWRP recovery, flash the Decryption fix file.
  2. Swipe right to confirm the flash.
  3. Now, Flash the pie GApps by going to TWRP to Install to Then select GApps zip file and swipe right to flash.
  4. Reboot to recovery
    • For Recovery and for Download
      First Power off your device and then hold the Volume Down + Power button, then navigate using volume rocker.

  5. Then, Wipe cache, Data and Dalvik cache. [Note: you don’t have to wipe the Vendor] (If you format instead of wipe cache, then you have to reboot the recovery, or you might get an error/issue.)
  6. Flash both Gapps 9.0 arm64 and ROM together
  7. Reboot your Galaxy A40 again
  8. That’s it, and You can now enjoy the LineagOS 16.


Hopefully, We believe you have successfully installed the LineageOS 17 on your Moto 6 Pro. Thanks for being with us. Don’t forget to share the bugs, So we can share with developers to fix those issue in the comment section down below.