To add or change your mobile phone setting, go to this link in SAP ONE Support Launchpad –> https://launchpad.support.sap.com/#/user/profile or by selecting the drop-down menu in the upper-right corner next to your user name.

Here you can select Edit Header to add or edit your phone number 1 and phone number 2. By default, SMS notifications are sent to the phone number ‘Phone 2’.