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IMO Q2 Plus
Android 8.1 (Go edition)
1. Find "Call barring"
Press the phone icon.
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Press the menu icon.
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Press Settings.
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Press Calls.
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Press Call barring.
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2. Turn call barring on or off
Press the required barring type.
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Key in your barring password and press TURN ON. The default barring password is 1919.
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1919
3. Return to the home screen
Press the Home key to return to the home screen.
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