Simply visit MyOSN App and proceed to the Account tab then card details and click on update to change your credit card details. Visit your app store & download the MyOSN app (if you don't have it already). Alternatively, you can follow the same steps in the MyOSN online portal.
- Log in the app with your OSN ID and password.
- Click on Account from MyOSN App main categories.
- Select "View My Account Details" scroll down, then select "Update Credit/Debit Card".
- Log in on the website with your OSN ID and password.
- Click on Account tab.
- Scroll down to "Payment Card Details", then select "Update Credit/Debit Card".