Installing this specific build requires a custom recovery, typically or higher. The standard procedure includes:
In 2018, many Galaxy Tab E users were stuck on Android 4.4 KitKat or 5.0 Lollipop. These versions were becoming incompatible with modern apps. The 2018-04-19 build of LineageOS 14.1 provided several critical upgrades: 1. Performance and "Debloating" lineage14120180419unofficialgtel3g
Or so it seemed.