Yes you can via the ookyo app!
- Click on the ookyo logo to open HQ
- Then click on My Profile
- Click on the pencil icon next to Credit/Debit Card and this will take you to Maxis Pay.
- Go to Manage Cards in their menu section to make the changes.
Keep in mind that you'll need a minimum of one card registered on Maxis Pay so that we can renew your base plan.