Use Different Card as Auto Debit
1. Open/Download the My Astro app or visit My Astro web.
2. Login with your Astro ID.
3. Go to Account.
4. Under Billing, tap on Auto Debit.
5. Select 'Use a different card'.
6. Fill in all the information, choose 'I agree to the Terms and Conditions & Privacy Notes', then tap 'Save'.
7. A successful notification will be displayed.