Android Oreo
Android 8 is the worst Android for GN+. You can't take any photos or turn on flashlight
Android Nougat
Viper OS Lineage OS 14 Ressurrection Remix 5.8.3 Dot OS 1.2 AOKP ROM CRDROID Android 7.1 is the best Android to Samsung Galaxy Grand Neo Plus. You can modify easily and it's performance is amazing.