Huawei P20 Pro
Android 8.1
Select help topic
1 Find "Voicemail"
Press the phone icon.
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Press the menu icon.
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Press Settings.
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Press Additional settings.
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Press Voicemail.
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2 Save voicemail number
Press Voicemail number.
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Key in +447836121121 and press OK.
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+447836121121
3 Return to the home screen
Press the Home key to return to the home screen.
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