A: LineageOS 21 with a custom kernel (like ThunderStormS) yields the best Screen-on-Time, often exceeding 6 hours.
adb shell dd if=/sdcard/efs_backup.img of=/dev/block/sda14 samsung s9 plus exynos custom rom
If you cannot live without Samsung features (Secure Folder, Edge Panels, Samsung Notes), Noble ROM is for you. A: LineageOS 21 with a custom kernel (like
Disclaimer: Rooting and flashing custom ROMs voids your warranty and carries a risk of bricking your device. Proceed at your own risk. and how to install them safely.
This guide will take you through everything you need to know—why you should do it, the best ROMs available for the Exynos model, and how to install them safely.