To update your Mobile number:
- Click on your Name (located in the top right-hand corner).
- From the dropdown menu, select User settings.
- In the Security section of Your account settings and preferences page, click Update mobile number.
- Click Get code
- Alternatively, you can send a verification code to your alternate email address (in the event that you do not have access to your phone or cannot receive an SMS to it).
- Enter the verification code sent your current mobile number and click Confirm.
- Enter your new mobile number and click Confirm.