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Xiaomi Redmi 9AT
Android 10.0
1. Find "Call-forwarding settings"
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-forwarding settings.
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2. Divert calls to voicemail
Press the required SIM.
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Press the required divert type.
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Key in +447836121121 and press Turn on.
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+447836121121
If you divert missed calls, you need to select a delay for the divert. Press the required delay and follow the instructions on the screen to select a delay for the divert.
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3. Return to the home screen
Press the Home key to return to the home screen.
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