Xiaomi 12 Pro
Android 12.0
Select help topic
1. Find "Call waiting"
Press the phone icon.
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Press the menu icon.
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Press Settings.
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Press Calling accounts.
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Press Call waiting.
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2. Turn call waiting on or off
Press the required SIM.
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Press the indicator next to "Call waiting" to turn the function on or off.
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If you turn on the function, press Turn on.
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3. Return to the home screen
Press the Home key to return to the home screen.
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