Download and Install AOSP Android 10 for Samsung Galaxy A40s [GSI Treble]

So, you’re here and right now reading this article that means you’re a primary user of the Samsung Galaxy A40s device and looking for an Android 10 Custom ROM to install. The said device was launched in 2019 and runs on Android 9.0 Pie out-of-the-box. As we all know that Google has released the official Android 10 version a couple of months ago and then announced the AOSP 10 Source Code as well. So, now you can download and install AOSP Android 10 for Samsung Galaxy A40s by following this guide.

Now, you may ask why to install Custom Firmware? Samsung brand is known for its affordable budget category smartphones, rugged devices, bigger smartphone batteries, and more. But when it comes to the faster and frequent software updates or Android updates, we can’t assure that for Samsung. Therefore, as a Samsung Galaxy A40s device user, if you’re looking for the official stable Android 10 update, probably you may not receive it anytime soon. So, it’s better to install AOSP Android 10 and get a taste of it.

Thanks to XDA recognized developer phhusson for building and sharing the AOSP Android 10 GSI Treble build for all the Project Treble supported devices. Project Treble supports all the Android 8.0 Oreo or higher version running handsets. Now, you may ask what is GSI? A GSI (Generic System Image) is an image with a ‘Pure Android’ implementation with unmodified AOSP code for Android devices. To recall, let’s head over to the device specifications below and then follow the full guide as well.

Samsung Galaxy A40s Specifications

Samsung Galaxy A40s was announced in Apr-2019 which sports a 6.4-inch Super AMOLED display with a screen resolution of 1560 x 720 pixels with 404 PPI pixel density.

Samsung Galaxy A40s is powered by a 2x 1.8 GHz ARM Cortex-A73, 6x 1.6 GHz ARM Cortex-A53, Cores 8 with Samsung Exynos 7 Octa 7904 chipset coupled with 4/6GB of RAM and 64/128GB of internal storage. It also supports an external memory card. The device came out of the box with Android 9.0 Pie and backed by a 5000 battery (non-removable).

As far as the camera concerned, the device has a triple Lens setup with 12.98 + 5 + 5MP primary sensors and a selfie camera with a 15.93MP lens. Other connectivity option includes 4g-VoLTE, GPS, Bluetooth, Mobile Hotspot, Accelerometer, Gyro, Proximity, Compass, Light, etc. It comes with a rear fingerprint sensor feature.

What’s on Android 10?

Google has started rolling out the latest Android 10 version update to its Pixel series devices which is the 10th iteration of Android OS. It brings plenty of new features to the device system like system UI, new gesture navigation, improved privacy and location control. The update also offers enhanced app permissions, foldable display support, security features, system-wide dark mode, etc.

The Android 10 also offers built-in call screening, multi-camera API, smart replies in the notification panel, 5G support, improved call quality, bubble feature, live caption, and more. While the latest version also improves battery life, Focus mode which is similar to the Do Not Disturb mode, etc. Apart from that Android 10 also features 65 new emojis. It also comes with direct audio streaming support to hearing aid devices.

Android 10 Features

Here we will provide short details of the most highlighted features of Android 10 (aka Android Q). Check out the Top 10 Android 10 features.

• Live Caption: This feature will automatically start caption when you will play media on your phone.
• Smart Reply: It will offer suggested responses or actions to your incoming messages like Facebook Messenger.
• Sound Amplifier: It will boost audio, filter background noise, and fine-tune the sound for the improved listening experience.
• New Gesture Navigation: This system is now smoother and faster than before.
• Dark Theme: It offers better battery backup and reduces eye strain during lowlight conditions.
• Privacy Controls: It features offers your device system to choose when and how your data will be shared.
• Location Controls: It feature also offers advanced security layers and control any apps or the map to access your location.
• Faster Security Updates: This option will be useful for both the smartphone OEMs and users via Google Play service. This will offer faster updates.
• Focus Mode: It’s an improved version of the Digital Wellbeing feature with an enhanced user interface and few changes.
• Family Link: It’s quite similar to the Focus mode which is basically for kids. The parents can now control devices or apps usage time limits and content limits as well.

Steps to Install AOSP Android 10 on Samsung Galaxy A40s

First, you have to unlock the device bootloader in order to flash any Custom ROM. But going to the process. let’s take a look at requirements and download links first.

Pre-Requirements:

• You need to unlock the bootloader at first.
• ARM, ARM64, or x86: Check your Android Phone’s Processor
• Treble Support: Check If Your Smartphone Supports Project Treble
• Download the required Android 10 GSI ROM file and Android 10 GApps file from below.
• Keep your device battery charged up to 60% at least for a smoother process.
• Take a complete backup of your device data without Root. In case anything goes wrong, you can easily restore all the data.

Instructions to Install:

We hope that this guide is helpful to you and you have successfully installed the AOSP Android 10 Custom ROM on your Samsung Galaxy A40s handset easily. If in case anything goes wrong or if you have any queries, feel free to ask in the comments below.

Source: Github | Credits to phhusson

Conclusion
If you find any problem with the latest build of Android 10 GSI, then you can report it on the official GitHub page: Click Here