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Samsung Galaxy A51
Android 10.0
1. Find "FDN list"
Press the phone icon.
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Press the menu icon.
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Press Settings.
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Press Supplementary services.
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Press Fixed dialling numbers below the required SIM.
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Press FDN list.
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2. Add fixed numbers
Press the menu icon.
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Press Add.
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Press the field below "Name" and key in the required name.
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Press the field below "Number" and key in the required phone number.
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Press the field below "PIN2" and key in the PIN2. The default PIN2 is 1111.
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1111
Press the menu icon.
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Press Save.
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3. Return to the home screen
Press the Home key to return to the home screen.
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