You can update your personal particulars by accessing your Profile.

To access your profile, hover over your Name located on the top menu header bar (after Singpass login). Click on Profile. Click on Edit icon to edit Account Information under My Profile.

You may click on Retrieve MyInfo icon to retrieve MyInfo Data which will then be auto-populated. You can also choose to click on Clear MyInfo icon if you want to manually enter details that are different from MyInfo records.