Sometimes, a simple restart helps the phone re-authenticate with the network, clearing temporary glitches. Step 5: Check Your SIM Card
Go to Settings > Phone > Call Barring (note: some carriers do not show this option, requiring you to use network codes instead). Step 3: Use Network Service Codes (GSM Codes) call barred
Note: 0000 is the default PIN for most carriers. If this doesn't work, try 1234 . If you've set a custom PIN, use that instead. Step-by-Step Device Settings Sometimes, a simple restart helps the phone re-authenticate
Seeing "Call Barred" on Your Phone? Here’s What It Actually Means and How to Resolve Network Restrictions
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