Steps
1. Click on the 'Profile' page
2. Select the menu (☰) at the top right corner
3. Click on 'My Personal Details'
4. Select the menu 'Help' at the top right corner
5. Select '3 I'm non-Malaysian and my passport no. is incorrect in MySJ account. I would like to update my passport no.'
6. Fill in the details and submit your answer
7. Refresh your profile page