some features might be build the rom to enable that feature i guess, also simcard might be in config or build.prop while building the rom or somekind that related to that issueI think you refer yourself to this post?
Do you still have all of these issues? Do you have the latest firmware?
I thought that too. But he says that his device doesn't recognize the card. If it's on LineageOS side then you should see a card but you cannot use it. Maybe this has something to do with the driver configuration of the radio module.