: This string appears to be a date in the format "YYMMDD", which would translate to April 19, 2018.
A frequent issue in early LineageOS builds for the Tab E is the camera failing to connect. There is often no direct software patch; users sometimes find later builds (like LineageOS 15.1 or 18.1) have different levels of hardware support. Wi-Fi Stability: lineage14120180419unofficialgtel3g fix
: Verify that your device matches the "Gtel3g" identifier and that you're comfortable with the risks of installing unofficial software. : This string appears to be a date