Step 1 : Click on ‘Account’ and then on the gear icon at the right-hand corner of the page.
Step 2 : You will arrive at the Settings page. Click on ‘Account Information’. On the next page, click on ‘Change Mobile’.
Step 3 : You will be asked for a verification, either through e-mail or SMS. Once the verification has been done, you will be able to update your phone number.
