For a device released in 2012, running Android 10 on the Samsung Galaxy S3 (i9300) Go to product viewer dialog for this item.
is achieved through unofficial builds of LineageOS 17.1 . While the hardware is aged, these custom ROMs allow users to access modern features like the partial screenshot UI, a dedicated ThemePicker, and updated security patches . Recommended Custom ROM & Links The most prominent version for the international S3 (GT-I9300) Go to product viewer dialog for this item.
is the unofficial LineageOS 17.1 build developed by ChronoMonochrome .
Primary ROM Link: Unofficial LineageOS 17.1 (Android 10) on XDA Forums .
Alternate Download (Mirror): Android File Host (Alpha Build) S3 Neo Variant: If you have the Go to product viewer dialog for this item.
(I9301i/I9300i), use the specific S3 Neo LineageOS 17.1 link . Status & Stability
Alpha Quality: This ROM is considered "Alpha" or "Beta" quality . It is recommended as a secondary device for testing rather than a daily driver .
Working Features: Boots, Audio (playback/recording), Graphics, Camera, Sensors, Wi-Fi, and RIL (Calls/SMS/Mobile Data) are functional in recent builds .
Known Issues: Stability may vary; users have reported occasional random reboots and lack of NFC functionality . How to Install a Custom ROM on Any Android Phone (Example
Samsung Galaxy S3 (GT-I9300) , a legendary device from 2012, continues to defy obsolescence through the efforts of the independent developer community. While Samsung officially ended support for the S3 at Android 4.3 Jelly Bean, custom ROMs like LineageOS 17.1 bring the modern features and security of Android 10 to this vintage hardware. The Evolution to Android 10
The transition to Android 10 (LineageOS 17.1) represents a significant leap for the
. Developers have managed to optimize the software to run on the device's aging Quad-core Exynos 4412 processor and 1GB of RAM. Users typically choose these builds to gain access to modern app compatibility, system-wide dark mode, and improved privacy controls. Key Working Features: samsung s3 custom rom android 10 link
Core Functionality: Booting, Audio playback/recording, and Graphics.
Connectivity: WiFi, Bluetooth, and RIL (calls, SMS, and mobile data). Hardware Support: Camera and various onboard sensors. Essential Download Links To install Android 10 on your
, you will need the specific ROM file and the Google Apps (GApps) package.
Custom ROM: The most stable unofficial build is LineageOS 17.1 for i9300 (AndroidFileHost).
Google Apps: Download the OpenGApps (ARM, 10.0, Pico/Micro) to include the Play Store and Google Services. Custom Recovery : You must have TWRP for installed to flash these files. Installation Overview
The process involves unlocking the bootloader, installing a custom recovery, and then "flashing" the new OS.
The Samsung Galaxy S3 is a very old device. Android 10 is not officially supported by Samsung for this device. Any Android 10 ROM for the S3 is an unofficial port (likely based on LineageOS 17.1).
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The Samsung Galaxy S3 (GT-I9300), originally released in 2012 with Android 4.0.4, has seen an incredible extended life through the developer community
. Although officially capped at Android 4.3, unofficial builds like LineageOS 17.1 Android 10 functionality to this legacy hardware. Key Android 10 ROM Options
Developers have ported various Android 10 builds, with LineageOS being the most prominent. Note that most are considered "Alpha" or "Unofficial" and may have stability trade-offs. LineageOS 17.1 (Android 10) For a device released in 2012, running Android
: The most widely documented version for the S3 (GT-I9300) and S3 Neo (GT-I9301I).
: A privacy-focused operating system based on Android 10 that has been successfully ported to the S3 Neo. Chrono Monochrome Builds
: Specifically developed for the GT-I9300, these builds often include performance tweaks and kernel optimizations. Essential Technical Overview Status in Android 10 Builds Connectivity
Wi-Fi, USB, and RIL (Calls/SMS/Data) are generally functional.
Audio playback/recording and basic hardware video playback work. Performance Use of the Boeffla kernel
is recommended for overclocking to handle modern OS demands.
Generally considered "Alpha" quality; not recommended as a primary "daily driver". Installation Resources
Getting Android 10 onto your classic Samsung Galaxy S3 (GT-I9300) is a feat of modern software engineering. While Samsung officially stopped supporting the S3 years ago at Android 4.3, the developer community has managed to port LineageOS 17.1, which is based on Android 10, to this legendary hardware. Best Android 10 Custom ROMs for Samsung S3
Because the S3 is considered "Ultra Legacy" hardware, official support has ended, but unofficial builds are actively maintained by developers like Chrono Monochrome and rINanDO.
LineageOS 17.1 (Unofficial): This is the most popular choice for Android 10 on the S3 i9300. It offers a clean, stock-like experience and is surprisingly functional given the age of the phone's Exynos 4 processor. Download Link: LineageOS 17.1 for S3 i9300.
Android 10 for S3 Neo: If you have the upgraded S3 Neo model, there are dedicated Android 10 ROMs available, often including Pixel Experience ports. Download Link: Android 10 for S3 Neo (XDA). Requirements & Preparation Before you start, ensure you have the following: ⚠️ Important Note for You (The Poster) The
A Custom Recovery: You must have TWRP 3.5.2 or newer installed.
Compatible GApps: Since custom ROMs don't include Google apps, download the OpenGApps package. Select ARM, 10.0, and the Pico or Nano variant to fit the S3’s limited system partition.
Charge Your Battery: Ensure your device has at least 60% battery to prevent a shutdown during the flash process. Installation Guide
Installing a custom ROM will wipe all your data. Always perform a Nandroid backup in TWRP before proceeding.
Here’s a concise write-up for installing an Android 10 custom ROM on a Samsung Galaxy S3 (GT-I9300), including a safe link source.
Target device: Samsung Galaxy S3 (GT‑I9300). Goal: install an Android 10 custom ROM (LineageOS-based or AOSP-based builds where available). Requires unlocked bootloader (for older Samsung devices this means a custom recovery like TWRP) and root not strictly required for many ROM installs.
The most stable and actively maintained Android 10 ROM for the international S3 (Exynos 4412) is:
LineageOS 17.1 – Unofficial build by developer rINanDO (credits to the LineageOS team and Android-andi)
⚠️ Note: Android 10 on S3 is not for daily heavy use, but it’s excellent for experimenting, light usage, or dedicated media player.
The Samsung Galaxy S3 (GT-I9300) originally shipped with Android 4.1 Jelly Bean. Thanks to the dedicated developer community, you can now run Android 10 (Q) on this classic device using a custom ROM called LineageOS 17.1 (unofficial).
lineage-17.1-UNOFFICIAL-i9300.zip.open_gapps-arm-10.0-pico.zip.First boot takes 10–15 minutes. Do not touch the phone.
| File | Purpose | Link (XDA Developers) | |------|---------|------------------------| | LineageOS 17.1 (Android 10) for i9300 | Custom ROM | XDA Forum Thread | | TWRP Recovery (.img) | Custom recovery | TWRP for i9300 | | OpenGApps (ARM, Android 10, Pico) | Google Apps | OpenGApps | | Magisk (optional) | Root access | GitHub Releases |