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.
[ROM] [Android 10] Samsung Galaxy S3 (GT-i9300) - Custom ROM Download
: Ensure your S3 battery is charged to at least 70% to avoid a mid-process power collapse.
As this is an unofficial "Alpha" quality build, it has a few known bugs. Developers report that GPS, Bluetooth, and root access (Magisk installation does not work) are not functioning. Users have also reported occasional screen glitches and sensor reliability issues. samsung s3 custom rom android 10 link
Ensure the phone has at least 70% battery to prevent sudden shutdowns during the flashing process.
Disclaimer: Custom ROMs are provided without warranty. You take full responsibility for flashing your device. Backup all your data before starting. Why Install Android 10 on a Galaxy S3?
For the , the primary Android 10 custom ROM is LineageOS 17.1 , which remains in an unofficial alpha/beta state due to the device's age. Download Links Target device: Samsung Galaxy S3 (GT‑I9300)
[Insert GitHub Link Here]
A privacy-focused alternative available via the /e/OS Community .
Swipe to flash GApps. This installs core Google frameworks and the Play Store. Step 5: Final Reboot [ROM] [Android 10] Samsung Galaxy S3 (GT-i9300) -
Once you have all these prerequisites ready, you're set to bring a modern Android experience to your classic Galaxy S3.
Go to the above → Look for the "Downloads" tab or the latest post by the developer (e.g., ChronoMonochrome or rINanDO ). Direct mediafire or AndroidFileHost links are not shared here because builds change — always use the official XDA link to get the latest stable version.
You need to download three essential files to your computer.