The subject "" refers to a specific unofficial custom ROM build for the Samsung Galaxy Tab E 9.6 (3G version) , which carries the internal codename gtel3g . This particular build is based on LineageOS 14.1 , which corresponds to Android 7.1.2 Nougat . Device Compatibility
The string "lineage14120180419unofficialgtel3g" appears to be a build identifier or version number for a custom Android ROM, specifically LineageOS. LineageOS is a free and open-source operating system for smartphones and tablets, based on the Android mobile platform. lineage14120180419unofficialgtel3g
In April 2018, official LineageOS support for the Galaxy Tab E series was spotty or non-existent. The hardware was aging, and the Spreadtrum chipset was notoriously difficult to work with due to a lack of open-source kernel sources. The subject "" refers to a specific unofficial
If you were to flash this ZIP back in April 2018, you would be greeted with the clean, minimal interface of LineageOS 14.1 (Nougat). LineageOS is a free and open-source operating system
: As a 2018 build of Android 7.1, it lacks modern security patches and may not support many current apps.