While LineageOS 14.1 is several generations behind current Android releases, the ROM remains valuable for users who wish to extend the life of the Galaxy Tab 3 GSM, especially in contexts where and minimal Google integration are priorities. The unofficial nature means the community bears responsibility for bug fixes and security patches, so users should weigh the benefits against the lack of formal maintenance.
So, what can you expect from this build? Here are some of the key features: lineage-14.1-20180419-UNOFFICIAL-gtel3g
gtel3g variant. It is not compatible with the WiFi-only version (gtelwifi / SM-T530) or the LTE version (gtellte). Flashing this on the wrong variant can brick the device.