Open the whitelist or allowed numbers list
Find the number you want to remove
Select the remove, delete, or unblock option
Confirm the removal if prompted
Save the changes
Check that the number no longer appears in the whitelist
Open the whitelist or allowed numbers list
Find the number you want to remove
Select the remove, delete, or unblock option
Confirm the removal if prompted
Save the changes
Check that the number no longer appears in the whitelist