A factory reset will clear any corrupted network settings, but it’s rarely needed.
Find the type of barring you wish to disable (e.g., All outgoing calls or International calls ). Toggle the switch to . samsung s9 remove call barring o2
If you see a message saying “calls are barred” or your outgoing calls are blocked on your Samsung Galaxy S9, it’s likely that Call Barring has been activated. This feature prevents certain types of calls (e.g., international or all outgoing calls). A factory reset will clear any corrupted network