We apologize for the inconvenience you are facing. We understand your concern and will help you resolve this. Kindly follow the below steps to resolve your issue:
How to change your Samsung Account mobile number? By using MobileClick to Collapse Step 1. Go to Settings 1 Open Accounts and backup > Accounts Select your Samsung Account.
2 Once you select your Samsung account option, you will be able to see your current profile, Select security and privacy to be able to change your registered mobile number.
Step 2. Select Two-step verification 1 Select Two-step verification option to change your current mobile number, enter your current Password to verify that it's you. 2 Select the Text messages option, for adding the new number.
In case the issue still occurs. Please register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report).
