: Based on Android 11 (One UI 3.1), known for being stable. AOSP / GSI (Generic System Images) :
Check . Swipe to wipe.
A custom ROM is a modified version of the Android operating system that replaces the stock firmware (like Samsung’s One UI or Samsung Experience). For your Galaxy A8 (2018), this can mean: galaxy a8 2018 custom rom
: Because the A8 supports Project Treble, you can technically flash almost any GSI, though it requires specific "A-only_arm64" variants. Known Quirks and "Interesting" Issues : Based on Android 11 (One UI 3