—refused to let the hardware die. In late 2019 and early 2020, they achieved what seemed impossible: porting Android 10 (LineageOS 17.1) to the aging S3.
. While the original GT-I9300 model mostly sees "unofficial" builds for later Android versions, the Galaxy S3 Neo received official LineageOS 17.1 support. Android 10 Download Links For Galaxy S3 (GT-I9300): Download LineageOS 17.1 from community sources like Techn3D's direct link Techn3D alternate link For Galaxy S3 Neo (GT-I9301i): Access detailed notes and download links via this community repository GApps (Google Apps): samsung s3 custom rom android 10 link
Boots, Audio, Graphics, Camera (basic), Sensors, Wi-Fi, and RIL (SMS/Calls). Known Issues: Significant performance lag due to the ancient Exynos 4412 processor and 1GB RAM. —refused to let the hardware die
: TWRP Recovery for i9300 is required to flash the ROM files. What’s Working (and What’s Not) While the original GT-I9300 model mostly sees "unofficial"
: Specialized builds available via Developer-hosted bit.ly links for the Neo model . Installation Prerequisites
Installing custom ROMs voids your warranty, can void Knox on newer Samsung devices, and carries a risk of "bricking" your device if instructions are not followed correctly. You will likely lose access to Samsung Pay and Secure Folder permanently. Always ensure you have a backup of your data before proceeding.