List of Best Samsung Galaxy A3 2017 Custom ROMs (fast and best battery)

Samsung has updated many older devices from 2017 and 2018 to Android 10 update but some devices couldn’t be upgraded officially. For those devices, custom ROMs are the best choice.

Here we will be going through some of the best Samsung Galaxy A3 2017 Custom ROMs (based on Android 10) which promise to offer better performance and battery backup.

Custom ROMs are based on Official Android source codes that are customized or developed by developers or a community of developers. Custom ROMs come with loads of extra customizations which makes them unique and popular among the android lovers. Remember, Custom ROMs are not provided by Samsung or other mobile vendors but are developed and maintained by the community and its contributors.

The Samsung Galaxy A3 2017 was launched back in January 2017. It features a 4.70-inch touchscreen display with a resolution of 720×1280 pixels. The device is driven by a 1.6GHz octa-core Exynos 7870 processor coupled with 2GB of RAM.

The Samsung Galaxy A3 2017 sports a 13MP front and 8MP rear camera. It packs 16GB of onboard storage which can be expanded up to 256GB) via microSD card. The Samsung Galaxy A3 2017 runs Android 6.0.1 Marshmallow out of the box. It houses a 2350mAh non-removable battery.

The device received two major updates Android 7.0 Nougat and Android 8.0 Oreo. The last major official update for the device is Android 8.0 Oreo. FYI, the device has still been getting monthly security patches.

Best Samsung Galaxy A3 2017 Custom ROMs (fast and best battery)

1. Lineage OS

Lineage OS is the successor and redesigned version of CyanogenMod OS. It’s based on AOSP code and one of the most popular and stable Android Custom ROMs in the market for a couple of years now. It offers stock Android like UI with plenty of customization options that users can perform according to their choice. The Lineage OS also performs really well in day-to-day usage than any other Custom ROMs.


crDroid ROM is designed to improve the performance, reliability, and customizability of stock Android for the users. Currently, this Custom ROM has supported by 74 devices and 14 OEMs officially (now more than that). The main focus of this ROM is to deliver a simple & secure UI with a bunch of customization options from the status bar to shortcut toggle to Navbar, lock screen, and more.

3. aospExtended

As the name suggests, the AOSPExtended ROM is based on the Android Open Source Project with plenty of extensions added and one of the Best Custom ROMs for Android. It offers redesigned UI, icons, and a smooth user experience. AOSPExtended is also known as AEX ROM. It offers Stock UI with various customization features along with the Substratum theme engine.


AOSP stands for Android Open Source Project. Under this Google allows other OEMs to modify Android OS as per their will. Some AOSP Skins are MIUI, OxygenOS and One UI. Other third-party ROM developers to develop clean Android AOSP ROMs for various devices.

  • unavailable as of now

5. Havoc OS

Havoc OS is a custom android skin simply called ROM. The ROM is based on Lineage OS but brings loads more features compared to the Lineage OS. There are loads more tweaks and customizations option come with the Havoc OS ROM.

  • unavailable as of now

5. DotOS

The DotOS or dotOS is also known as Droid On Time OS. It’s also one of the best looking Custom ROMs that delivers stable and smoother user experience with quite a minimal UI and theme. It was launched with an aim to provide Unique User Interface and Optimum Performance that will maintain the balance between performance and battery life. dotOS is based on Google’s AOSP (Android Open Source Project) with all the hand-picked goodies and innovative ideas to enhance the user experience.

  • unavailable as of now

6. Arrow OS

This is a relatively new custom ROM based on AOSP. The main focus of the ROM us provide simple and clean user experience to the users

  • unavailable as of now

Steps To Install Custom ROM On Samsung Galaxy A3 2017

How To Restore / Back To Stock ROM On Samsung Galaxy A3 2017

You can easily unroot your device and back to stock ROM/ Firmware by flashing back the Stock ROM/Flash File.

Dibyashree Sharma
Dibyashree Sharma
An NIT Rourkela Graduate in CS, Blogger, Android Geek, and a Tennis Fanatic. I have been writing about Android OS for Last 8 years.

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