PersonallyI would open the SIM port, remove the tray, ensure the SIM card is in correctly then reinsert the tray into place and see if that resolves the issue.
I am not employed by Samsung nor do I receive any remuneration as a Samsung Members Star.
In that case, as you've ruled out cameras, then I would suggest this is not normal and I would reach out to Samsung Customer Services to arrange a check by a Samsung Technician.
If you live near a Samsung Experience Store you may be able to book an appointment and they check it whilst you wait.
I am not employed by Samsung nor do I receive any remuneration as a Samsung Members Star.