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You can cancel the call barrings you've set up on your phone Follow these instructions to cancel all call barrings.
Find "Call barring"
Press the menu icon.
Press Call settings.
Press Call barring.
Cancel all call barrings
Press Deactivate all to cancel call barring.
Key in your barring password (default is 0000) and press OK.
Press the Home key to return to standby mode.