Navigate to Settings > Cellular Networks > Access Point Names (APN) and manually enter your carrier's settings. If the signal remains dead, ensure you have flashed the latest stock Samsung firmware (Lollipop) before moving to LineageOS to ensure your modem/baseband is up to date. 3. Google Play Services "Battery Drain"
Toggle Airplane Mode on and off to reset the network adapter. Alternative: Upgrading to LineageOS 15.1 lineage14120180419unofficialgtel3g fix
If you are experiencing issues with this specific 2018 build, developers and community members on forums like the e/OS Community suggest the following remedies: 1. The Camera "Fix" Many users report the camera failing to initialize. Navigate to Settings > Cellular Networks > Access