Lineage-14.1-20180419-unofficial-gtel3g //free\\ Jun 2026

On :

: This indicates the version of LineageOS , which is based on Android 7.1.2 Nougat . lineage-14.1-20180419-UNOFFICIAL-gtel3g

: Wiping data, cache, and system partitions before installation. : Flashing a separate On : : This indicates the version of

This unofficial build successfully demonstrates that Android 7.1.2 can function reliably on the Exynos 3470-based gtel3g tablet. While not suitable for production environments due to SELinux permissiveness and the unresolved hardware codec issue, it remains a valuable historical artifact for custom ROM archivists and developers studying Android HAL migration strategies. While not suitable for production environments due to

Flashing transforms your tablet in the following ways:

Many UNOFFICIAL builds for the Tab 3 drain 10-15% battery overnight. This specific build fixes the suspend process. With the screen off, the tablet enters a true deep sleep, draining only 1-2% over 12 hours.