Samsung S9 Remove Call Barring O2 Uk [best] Access

If you’re trying to make a call on your Samsung Galaxy S9 and you hear a message saying “calls are barred” or “call barring is on,” you won’t be able to connect until the feature is turned off.

Once call barring is removed, test it by calling a friend or your own voicemail (222 from your S9). This guide is for the Samsung Galaxy S9 running One UI (Android 9/10). O2 UK settings are correct as of 2025. Always check with O2 if you are unsure about your account status. samsung s9 remove call barring o2 uk