Knox-dependent features like Samsung Pay, Secure Folder, and Samsung Pass will permanently stop working, even if you revert to official factory software.
Custom ROMs replace your stock Samsung software with a tailored version of Android. For a 2018 device, this offers several advantages:
Installing a custom ROM allows you to bypass the limitations of Samsung's older One UI versions.
Click on the button in Odin and select your downloaded TWRP .tar file. In Odin's options tab, uncheck Auto Reboot . Click Start . Once it finishes, it will say "PASS". samsung galaxy j8 custom rom
—Dalvik, Cache, and Data—leaving the vendor partition untouched to avoid the dreaded Installing Pixel Experience Plus | Samsung Galaxy J8 5 Nov 2025 —
Limit data sharing by choosing ROMs without pre-installed Google tracking.
: Official updates have stopped, but the community continues to release ROMs with the most recent security fixes. Best Custom ROMs for Samsung Galaxy J8 Knox-dependent features like Samsung Pay, Secure Folder, and
Do you prefer a look or keeping Samsung features ?
: One UI-based or AOSP-based ROMs (like Pixel Experience or LineageOS). Step-by-Step Development Guide 1. Set Up the Build Environment
: While the J8 officially stopped at Android 10, custom ROMs can bring you Android 11, 12, or even 15 . Click on the button in Odin and select your downloaded TWRP
Flashing a custom ROM is a rewarding project that can turn an older phone into a capable daily driver again. Just remember to follow the instructions carefully, back up your data, and take your time. Welcome to the world of endless Android customization!
: A "Pixel-plus" experience that combines the clean Pixel UI with a massive suite of extra customization options. Prerequisites for Installation Before you begin, ensure you have the following ready:
Custom vendor-maintained ROMs (maintainer threads on XDA):
Key point: ROMs must match your exact model number and carrier variant. For Galaxy J8, common model suffixes: